Veronica finds herself in the right place at the right time to help two boys trapped in an abandoned building; Chloe pressures doctors to perform a dangerous surgery on her comatose boyfriend; Sonia treats a psychic patient (Aida Turturro).

When a friend from their Iraq days shows up unexpectedly, Veronica and Sands (James Tupper) are suddenly faced with a life-altering decision. Sonia, increasingly intimidated by a stalker’s threats, gets help from a surprising source, while Chloe worries that her boyfriend is causing irreparable brain trauma by playing football against medical advice. And, after Angel’s friend is brutally beaten, Briggs worries that his mafia...

Several inmates are brought to Mercy for treatment after a prison riot; Chloe tries to convince her boyfriend to treat his head injury; Briggs faces a tough decision that could jeopardize his career.

Following the donut shop shooting, Veronica experiences a panic attack and continues to address her PTSD in therapy sessions with Dr. Cabe. Chloe, with the help of her frat boy admirer tracks down an ER patient after the patient’s blood tests reveal a potentially fatal problem. Meanwhile, Sonia becomes increasingly concerned about her involvement in her home-care patient’s death when an unexpected autopsy is ordered.

Veronica starts to confront her PTSD; Harris and Chloe try to help a college football player with a possible brain injury; Angel and an eccentric patient butt heads.

Veronica considers seeing a therapist; Chloe starts to warm up to Dr. Briggs when she learns why he became a doctor; Sonia runs into an ex-boyfriend.