Joel and Zach find themselves in a tight spot at an offsite army base; a hypothermia patient fights for life; and Alex, Maggie and Rian deal with their surgical boards.
In the Season 3 finale, life-changing events rock the doctors at Hope Zion Hospital, while Drs. Reid, Lin and Larouche undergo their Surgical Boards.
The Hope Zion team treat victims of a shooting in the Season 2 opener. Meanwhile, Alex helps a bullied teenager.
Alex performs a heart procedure alongside Charlie's ex-wife; Joel makes a discovery related to a young girl's disease.
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