Heartbeat

Season 1 · Episode 10 · What Happens in Vegas... Happens

In the Season 1 finale, a mysterious illness sends the hospital into lockdown; and leaves Alex fighting to save the lives of Jesse, Pierce and Ji-Sung. In other events, Millicent deals with the consequences when Alex disobeys the CDC; and an elderly man's search for his missing wife causes Alex to make a major decision about her love life.