An ethical guide to murder

Thea has a secret. She can tell how long someone has left to live just by touching them. Not only that, but she can transfer life from one person to another--something she finds out the hard way when her best friend, Ruth, suffers a fatal head injury on a night out. Desperate to save her, Thea accidentally kills the man responsible and lets his life flow directly into Ruth. Thea comes to understand that she has a godlike power, but how to use it...