Abby has a dialysis patient in critical condition, but she cannot find his physician, who does not want to be bothered during the holidays.

Two teens enter the ER with gunshot wounds. When one dies, Neela botches telling the next of kin, making the woman hysterical.

When a 16-year-old girl who had received a kidney transplant from her father arrives at the emergency room feeling dizzy, Carter traces the problem to a new drug that the girl was taking to control seizures related to her kidney dysfunction.

While examining a young boy, Pratt finds a suspicious gash across his chest and calls Wendall (recurring guest star MäDCHEN AMICK) for a consult. Kovac and Pratt examine a man who was shot when he confronted his boss with a gun. Jake (recurring guest star EION BAILEY) tries to convince Abby to date him despite his being a student.

Dr. Weaver meets her birth mother, but their relationship changes when Kerrie reveals she is gay. Dr. Carter causes a commotion when he confronts a couple hoping to scam some painkillers.

A soccer mom finds herself completely aware of everything going on around her, but is unable to move or speak after suffering a stroke.

A woman on a hunger strike refuses treatment until the INS give her son another deportation hearing. Abby searches for proof when she suspects a patient is the victim of elder abuse.

Jules 'Ruby' Rubadoux is back in the ER. He's still angry with Carter about the death of his wife.

Morris is named the new chief resident, which makes nobody really happy, except Morris. Meanwhile Luka and Sam are having communication problems, Carter gets a promotion Susan really wanted and Ray finds out a 14-year old who always comes in for free drugs has been raped.

After Carter finds out Kem's mother is hospitalized in Paris he decides to go there to tell Kem how he feels about her. Meanwhile, Ray makes a fatal error.