On February 15, 1992 in Milwaukee, Wisconsin, Jeffrey Dahmer, one of the world's most infamous serial killers, was convicted of 15 counts of murder and sentenced to 937 years in federal prison. This movie is based on events from his life.

A three-year-old boy disappears during his mother's high school reunion. Nine years later, by chance, he turns up in the town in which the family has just relocated.