The true crime story of the 2003 suspicious death of a Detroit wife and mother and the case against her husband—from the author of Blood in the Snow . A devoted husband plagued by addiction Detroit mortgage broker Mark Unger adored his wife Florence and their two young sons. But after a decade of marriage and increasing financial trouble, Mark's life began to slowly unravel. He became addicted to pain killers and gambling, and ended up spending five months in rehab. A beautiful wife who wanted to be free Forced to go back to work, Flo became bitter and resentful of Mark and began to have an affair with one of his friends. When Mark returned home and his disability checks weren't enough to make ends meet Flo filed for divorce. A brief vacation that would change their lives forever Panicked by the thought of losing her, Mark did everything he could to win Flo back. Even though she resisted his efforts, Flo did agree to a weekend getaway at the family's favorite lakeside resort. But after their first night there, Flo went missing and the next day her corpse was found floating in the water. Mark claimed that her death was an accident one that must have happened while he was up at the cottage, putting the kids to sleep. But soon a jury would be convinced of what Flo's friends and family believed to be true: That Flo would never have been alone on the boat dock that night because she was deathly afraid of the dark.