A deep-sea salvage expert enacts an elaborate plan to infiltrate and take revenge on a criminal organization that dealt him a foul misdeed.

A retiree spends nine years relentlessly seeking to prove that his son-in-law, a former Green Beret Army doctor, murdered his pregnant wife and two daughters.

Based on the Fatal Vision controversy, and the book of the same name, about the murders of the wife and daughters of U.S. Army officer Jeffrey R. MacDonald at Fort Bragg in 1970.