Medical student Elliot Axelrod and plastic surgeon Dr. Bobby Caldwell join the staff; Eve Leighton's sister expresses reservations about the planned transplant; a resident dropped from the hospital program badgers Cavanero to reevaluate him; and Dr. Craig enlists Dr. Caldwell's help in opposing Joan Halloran's plan to shut down an outpatient surgery clinic.

The men attend a rather staid bachelor party for Kochar; White learns about the dangers of nuclear medicine; Fran Singleton refuses to see her husband, but later walks out of the hospital by his side; everyone opposes Joan's idea of including St. Eligius in a government nuclear disaster contingency plan; Martin gives Kochar a unique wedding present; and the transplant team goes into action.

Dr. Craig performs the transplant amidst a publicity barrage; Morrison tries to adjust to his loss; Luther and Fiscus split an investment in silver futures; and Rosenthal counsels a group on breast cancer.

Dr. Craig and Ehrlich both prepare turkeys for the staff forced to work the holiday; injuries from the Thanksgiving Day parade pour into the ER; and a depressed Dr. Auschlander takes a special interest in an ailing 11-year-old.

Rosenthal gets arrested just before her scheduled breast reconstruction; Mr. Entertainment sets up in a hospital elevator and meets Dr. Ridley, the new psychiatrist; and Morrison worries over an Irish teenager whose near-fatal beating brings the Catholic-Protestant conflict of northern Ireland to St. Eligius.

Martin decides she's in love with Dr. Craig; White regrets helping out an exhausted mother pleading for sedatives in the E.R.; Eve's sense of cabin fever and anger is calmed by a visit from her students; Morrison learns more about Eddie Carson and the `Troubles'.

Dr. Caldwell suffers for his work on Eddie Carson; Joan reveals a secret in the E.R.; Ehrlich meets a brand-new Roberta; Dr. Westphall's housekeeper announces she's returning to Italy; Eve Leighton takes a turn for the worse.

White diagnoses a case of AIDS in a Boston city councilman; Dr. Ridley tries to help a tennis prodigy deal with pressure from her ambitious father; and Daniels and Ehrlich try to run a blood drive amidst a blizzard and rumors about the AIDS patient.

The medical staff and Joan Halloran fight back when a large private hospital dumps an indigent, unstable emergency patient on the E.R.; Ehrlich seeks advice about his relationship with Roberta; Daniels is tied to the drug abuse charges against White; and Dr. Ridley and Morrison try to figure out a woman's violent mood swings and personality changes. Luther loses a father figure. A bored teenager wreaks havoc with the hospital's computerized records.

A blizzard causes havoc for everyone; Dr. Craig can't get to the hospital and has to depend on Kochar for survival; Dr. Ehrlich decides to pop the question to Roberta; and the roof literally falls in on Cavanero.

Dr. Auschlander asks Fiscus and Luther to help him get some marijuana to relieve his pain; White and Daniels face the medical board hearing; Dr. Westphall defends a deaf employee against his impatient supervisor; and Ehrlich meets Roberta's snobbish parents.

Joan's father enters the hospital unexpectedly; Chandler takes a practice run for the Boston Marathon that proves dangerous; and the Craigs host Ehrlich's wedding with guests such as Mrs. Craig's mother and Ehrlich's alcoholic aunt Charice.

A rape occurs in the hospital parking lot; White has trouble adjusting to his restricted status as does Tommy Westphall to the loss of his housekeeper; Cavanero must decide between the man in her life and her career; and a TV crew follows Dr. Craig around to film a documentary.

Morrison learns a lesson from another doctor who makes the diagnosis of Mr. Keuhnelian; Dr. Craig prepares to accept his anticipated `Doctor of the Year' award; Dr. Caldwell and Ehrlich both make decisions about their romantic futures; Cathy's disappearance raises questions; Shirley fends off an imagined attacker; and the rapist strikes again.

Dr. Craig tries to stop the TV documentary; Cathy has a rough first day back; Mr. Entertainment finds his true calling; Armstrong continues to feel traumatized; and Rosenthal finally has her breast surgery.

White returns to work to face a hostile staff; Axelrod accidentally destroys Fiscus' beloved Boston Red Sox baseball cap; Cavanero has to tell a college student he has testicular cancer; Chandler questions himself about why Amanda remains distant from him; and Martin decides to come forward against her rapist.

Three women in a room become close despite their differences; an old woman facing the loss of her independence; a mother trying to deal with violent surges of erratic behavior; and a bland young woman searching for 'character' through a nose job.

Ehrlich tries to deal with his Aunt Charice and her romantic designs on Dr. Westphall as he crams for the National Boards; a stressed-out Armstrong makes a tragic misdiagnosis; White chooses to take a polygraph test before his trial begins; Shirley tells Cathy that she ""asked for it"", and Cathy's past is used to decimate her on the witness stand.

Fiscus poses in provocative attire for a newspaper feature; Dr. Caldwell and Joan try to take a spontaneous trip to Paris; Armstrong reacts to the pressures she faces; and everyone waits to hear about who will be dropped from the residency program.

The residents scatter as vacation begins; Morrison meets a charming young woman; the E.R. faces major structural repairs; Steven Craig returns home after licking his drug problem; and Luther tries to find a Cheshire cat for a skeptical little girl. Dr. Auschlander collapses in an elevator. Elliot Axelrod has an interview for a position as a resident.