Tom and Abby Stuart had everything: a perfect marriage, successful careers and a beautiful twelve-year-old daughter, Caitlin. Then one day Caitlin vanished. The tragedy changed their lives and shattered their marriage.

Four years later, Caitlin is found alive - dirty and dishevelled yet preternaturally calm. The police arrest a suspect, but Caitlin refuses to testify, leaving the Stuarts with a choice: let the man who may be responsible for destroying their lives walk away, or take matters into their own hands.

When Tom decides to try to uncover the truth for himself, nothing can prepare him for what he discovers...