ER

Three weeks after the death of Derek Fossen, Greene faces interrogation at an M&M conference. However, Corday is the only one to suspect something wrong. Meanwhile, Carter's parents return to town for his grandfather's funeral, which Abby briefly attends. Abby has decisions to make; Luka wants her to move in with him. Weaver returns from an impromptu vacation, worried that Romano has outed her to the staff. Chen is the new chief resident. Benton deals with Cleo's meds and Jackie's problems adjusting to life after Jesse's death. The ER is filled with patients after a brawl at a talk show taping. Legaspi got a job in San Francisco. « read less

Carter is having back problems that aren't helped when Abby asks him to help move a new fish tank into Luka's apartment to replace the one she accidentally broke while moving out. Benton encounters problems finding a sitter for Reese when Jackie decides that she can't do it. Chen is having trouble with Weaver "helping" her with patients; she treats an abandoned infant with a birthmark in the shape of the sign of the Virgin Mary. Cleo's HIV test results come back negative. Rachel Greene shows up at the hospital; she ran away from Jenn and wants to stay with Mark for a while. Corday falls asleep in surgery. Malucci is stuck in an elevator with a cute female paramedic and a guy vomiting blood. After saving the guy's life, Dr. Dave is caught "celebrating" with the paramedic in the back of an ambulance by Weaver, who promptly fires him. Appealing unsuccessfully to Mark, Dave and Weaver finally have it out at the end of the day. He begs her not to fire him because he needs the money « read less

Weaver prepares to call her birth mother, while she treats a man who was accidentally run over by his daughter while she was drunk. Susan's first day back is typically hectic, as she treats a girl with an ectopic pregnancy who refuses to stay for treatment and a man faking a coma to escape his bookie. Abby seems to notice the chemistry between Susan and Carter and gets a little jealous. Cleo has gotten a better job 40 minutes outside of Chicago. The Greene household is pretty crazy now that Rachel is living there. After Elizabeth loses another patient to a post-op infection, an investigation is launched and someone is assigned to shadow her all day to check her cleanliness. Benton panics when Roger reveals that he can't find Reese--it turns out that Jackie picked him up from school after he got in a fight. Carter's day as chief resident is marred a little when his grandmother comes to the ER after slipping. « read less

A new med student assigned to Carter finds all sorts of surprises in store for him on his first day. Elizabeth spends her day searching for the angel of death, finding that all signs point towards Dr. Babcock. Nicole has a rough day training to become a nurse's aide, and draws Abby's ire after Luka invites her into a trauma. Puzzled by his grandmother's fainting spells, Carter discovers that she is at great risk for a heart attack or stroke. He and Susan treat a law student/med student who has been cutting herself. The two grow closer, as Carter finally tells her about his stabbing and drug addiction. Mark picks up Rachel at school after she's suspended. Peter is sued by Roger for custody and takes a DNA test to determine whether he is Reese's real father. Despondent over badly injuring a young skateboarder, a mall security guard tries to hang himself. « read less

Susan and Carter treat a newlywed couple where the wife may be allergic to her husband's semen. Carter later tells her about the time he masturbated on a train to Seattle; this somehow turns her on, and they kiss. Weaver asks firefighter Sandy Lopez out. Mark and Gallant treat members of a boxing family. Rachel's boyfriend is admitted with a broken ankle and tests positive for marijuana; she comes out clean though. Elizabeth tends to a comatose woman whose husband will only agree to a risky procedure to harvest her organs. Abby openly questions Nicole's pregnancy; Nicole confesses to Luka that she was faking it and that she plans to move to Montreal. Benton's custody trial for Reese is hampered by his long hours. Cleo's testimony doesn't go well either. « read less

Abby has a horrible birthday, beginning with meeting her new squabbling neighbors. She treats a young woman hoping to get pregnant by taking fertility drugs, and discovers that Luka is going to Bosnia for two months as part of the Doctors Without Borders program. Her ex-husband tells her that he's getting remarried just before she sees Carter and Susan sharing a private moment. She takes care of a young boy abandoned in the ER after the death of his mother. Paul Sobricki is admitted with a head lac, and Abby unsuccessfully tries to keep Carter from seeing him. Abby's day ends with her sharing a beer with her neighbor. Carter has problems of his own: his mother is back in town, just getting in the way and refusing to admit to her mistakes. He also meets with Chen, who reveals that she has the evidence to take Weaver down in the Marfan's case. Weaver and Lopez are an item until Sandy discovers that Weaver has not widely come out yet. Mark finds cigarettes and condoms in Rachel's « read less

Eleanor Carter tends to a young leukemia patient, trying to make up for Bobby's death many years ago. Mark treats the victims of a letter bomb, and later treats his own daughter when Ella is rushed in after swallowing some of Rachel's Ecstasy. Abby treats a young girl who has been chauffering her drunken mother around. Abby also hides Joyce in her apartment while Brian searches for her and causes a ruckus. An allergic Gallant treats a blind man with a dog. Chen returns to the day shift, working with Weaver for the first time. Romano gives some of Weaver's duties to Lewis, making Kerry mad, until she meets a new friend on her way home. « read less

Mark learns that his tumor is back and inoperable, giving him 4-5 months to live. Corday is living in a hotel, and confesses to Benton that she thinks she's left Mark. Susan cares for Mark after his first radiation treatment. Abby learns that the case against Brian has been dropped because somebody beat him up. Seeing Brian enter her building, she seeks comfort at Luka's, where he's engaged in a game of Pictionary with his friends. Jerry and Frank clash, leading to a fistfight. Chen has a stalker. « read less

Corday, still living in the hotel, is avoiding Mark, until Ella says her first words. Elizabeth pressures Susan to tell her what her husband is hiding, and figures out her husband's fate. Romano advises her to return to Mark for the little time he has left. Chen treats a man too traumatized to speak. Mark tells the staff about his prognosis. Weaver worries about Sandy Lopez as she is reported missing in a fire. Weaver tracks her down at a bar, and the two make out. Stabbings on a college campus bring girls to the ER. « read less

Susan receives a message from her niece on her answering machine, saying that Chloe's "sick." The call is traced to New York City, putting Susan on a plane. Officers Boscarelli and Yokas are assigned to chaperone Susan in the search for her sister. Chloe is found in "Urinetown," suffering a broken heart, but Little Suzie is not with her. Pratt hits on Chen several times throughout the day, and also performs an unauthorized procedure with Gallant on a dying man. Abby returns to her apartment, where Carter catches her drinking a beer. He confronts Luka about her relapse, and Abby herself later. She tells Carter not to worry about her. Romano signs Weaver up to meet with the Women's Health Coalition. Corday requests immediate time off from Romano to join Mark and Rachel in Hawaii. « read less

Mark decides to use his remaining time to help "fix" Rachel and takes her to Hawaii to show her where he grew up. He teaches her how to surf, and how to drive a stick shift. Mark catches her chasing one of his Vicodin with a shot of vodka and confronts her about wasting her life. One day after surfing, he has a seizure, and Elizabeth arrives with Ella in tow. She wants to take him home, but he refuses. Early in the morning, he dies. After the funeral, Rachel tells Elizabeth she'd like to visit Ella, and Elizabeth agrees. « read less