When he stops to help the victim of a drive-by shooting, emotionally troubled doctor John Ellison finds himself embroiled in gang warfare.
EPISODE 1
Pilot
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.
EPISODE 2
Infection
John must find a missing patient, or face the consequences of losing a gang leader's son; Gretchen tries to convince a patient to lie about her medical condition in order to keep John clear of their supervisor's suspicions.
EPISODE 3
Onset
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.
EPISODE 4
Immune Response
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.
EPISODE 5
Outbreak
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.
EPISODE 6
Diagnosis
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.
Jason O'Mara
Jessica Szohr
Beth Riesgraf
Lauren Stamile
Demetrius Grosse
Gregory Fears
Albert C. Bates
Matt Nix
Scott Peters
Buddy Enright