A sleep-deprived Alex takes on a night shift in the ER where an all-star hockey enforcer may be skating full-speed towards an early death. Meanwhile, Charlie meets a suburban punk who is facing the biggest fight of his life.

Alex must learn to stick up for herself and not be intimidated by Dawn (Charlie’s ex-wife) in order to work alongside her and perform a minimally invasive heart procedure to save a patient’s life. Meanwhile, Joel unlocks a mystery to a young girl’s disease, while getting some advice from Charlie, who is trying to figure out how to help his comatose patient come back from being a spirit. It’s a week of defying the odds at Hope Zion Hospital.

The doctors at Hope Zion Hospital are forced to deal with people from their past as Alex, Charlie and Joel take on the daunting task of operating on a malpractice lawyer known for suing every doctor in his path. Meanwhile, Zach is tested when the last person he wants to treat comes into his E.R. and a Season 1 patient returns with some difficult insight for Charlie and Alex.

Alex's spirit shares an emotional journey with Charlie in the spirit world. Joel treats a drug addicts necrotic leg and strikes up a unlikely close bond to the patient. Dr. Sydney Katz begins her new job throwing Maggie off her game.