Complications

A disillusioned ER doctor, who finds his existence transformed when he intervenes in a drive-by shooting, saving a young boy's life and killing one of his attackers. When he learned the boy is still marked for death, he finds himself compelled to save him.

When Antoine disappears from his bed at the Surgical Center, John must find him quickly or face the consequences of losing a gang leader's son. Gretchen tries to convince a combative patient, Hillary, to lie about her medical condition in order to keep John clear of Bridget's suspicions.

John visits Antoine's father, the leader of the VCC gang, in prison, and tries to disentangle himself from his responsibilities with Antoine. Meanwhile, things get out of control when Gretchen confronts Hillary's abusive boyfriend at his home.

To keep Bridget from finding out that John illegally transferred Antoine to the Surgical Center, Gretchen makes expensive arrangements to hide the child elsewhere. That forces John to ask the gang for money, and brings him closer to their world than ever before. Samantha's relationship with John is tested when a past indiscretion resurfaces.

When the victims of a gang shootout spill into the ER, John must navigate rival gang members and the police while trying to halt the escalating violence. Meanwhile, Gretchen tends to the young woman who sparked the recent bloodshed.

Detective Holden, of the Gang Task Force, grills John with questions about his suspicious activity. Meanwhile, Gretchen travels to the gang neighborhood to save a young boy.

John wants to help Gretchen, but becomes uncomfortable when she asks him to work outside the law. Meanwhile, new information from Kyle fuels Samantha's suspicions about John.

John attempts to control his compulsions, but is tested when a colleague alerts him to an impending massacre. Concerned for her family's safety, Samantha turns to Detective Holden for answers.

Detective Holden forces John to testify against the Latin gang, provoking their anger. Meanwhile, Samantha's past threatens her marriage.

John and Gretchen's plans to get Antoine home are interrupted by an unexpected complication, forcing John to do everything in his power to save Antoine - and his own family.

Complications star Jason O’Mara introduces lead character ER doctor John Ellis, who finds his life changes when he intervenes in a drive-by shooting, saving a boy’s life.