When private investigator Matthew Hill picks up the call from his wife, Sally, his world comes crashing down. Their eight-year-old daughter, Amelie, is missing. One second, she was there, the next, she was gone.

It's the very nightmare they've been dreading. Long ago, Matthew left the force after a woman blamed him for her son's death, promising that he too would one day feel her pain. It's a threat that's hung over his family ever since, and now it's Amelie's picture on the news.

Matthew knows how these things go--the longer their daughter is missing, the less hope there is of finding her alive.

As the clock ticks and a canal is searched, he and Sally must reckon with their greatest fear...