Exchange

An Unspeakable Crime.High school teacher Bill Masters and his family have a comfortable life in suburban Oklahoma City - until his wife and teen daughter are killed in a mass shooting. Overwhelmed with grief, Bill struggles to put his life back together - or construct a new life from what remains - even as he must combat continuing crime that threatens him and his home.A Second Chance.When exchange student Wu Ting "Wendy" Wang arrives from China for her year at an American high school, she has no idea what has just happened to her host family. She's a constant reminder to Bill of why his family is gone. Yet he is determined to protect her at any cost - ready to use his father's gun. And he will not fail this time.