At Fable Harbor University Hospital, five young men and women are immersed in the life-and-death world of medicine. As they shadow doctors and assist with medical procedures, they learn truths about life, love, and medicine that can't be taught in any classroom...and find out that it's all much harder than they ever imagined.Becky's grown close to Rick, a critically ill patient who's waiting for a heart-lung transplant that will save his life. But when the organs become available, who will get them--Rick, or his despicable twin brother? Tristan and Zoey are shaken by a horrible emergency room scene that brings them together even as it breaks their hearts. But does their budding romance stand a chance now that Zoey's ruthless roommate, Summer, has her eye on Tristan? And they're all about to learn their most valuable lesson: how to keep their cool when someone's life is on the line...