In rural Wisconsin, a couple is found stabbed to death at home. Thirty years later, the daughter of one of the original suspects comes forward, reigniting the case. Keith Morrison reports.

Responding to a call at an Iowa farmhouse, police discover Karina Cooper sitting on her husband's blood-covered body in his recliner. In the aftermath of his murder, rumors sweep through the small town, but detectives must uncover whether the talk is gossip or a crucial clue.

INTERVIEWS WITH: Ryan Cooper's brother Aaron Cooper and sister Michelle Wilson, friends of the couple Ashton Wilson, Jamie and Carmen Earhart and Kirstie Seda, Detective Trevor Killian, Sheriff Casey Schmidt and others.