Radek Lord

Devon's doubts about his relationship reach a peak as his friends and family gather for his big wedding day; as Chastain's medical device company continues to succeed, Julian makes a discovery that leaves her uneasy about her involvement in it.

A nasty flu season is masking a terribly infectious disease; Chastain must race to quarantine and diagnose infected patients; Devon treats a lovesick patient who has flu-like symptoms; Conrad doubts whether Nic is prepared to take the next step.

Conrad must diagnose a young woman who gets admitted after having extreme night terrors; Devon faces his first Halloween in the emergency room; Nic panics over her decision to bring her newly sober sister to Mina's epic annual Halloween party.

When a police officer brings in an injured criminal, the staff must keep him alive; Nic gets roped into a surgical rotation with Cain that leaves her questioning the way he operates; Conrad makes a shocking discovery about the hospital.

When a lottery winner is admitted to the hospital, Bell turns to him as a potential solution to Chastain's financial problems; Nic becomes infuriated when Alec suggests she meet with an organ broker in hopes of saving Jessie's life.

Conrad, Kit, Mina and the Raptor work to save the life of a med student who is in need of a triple-organ transplant; Nic makes a rash decision regarding her sister.