A California couple is shot dead, a daughter's body found burned in a wheelbarrow - after seven years investigators think they have solved the case, but a courtroom bombshell changes everything.

Troy Roberts and 48 HOURS investigate the twisted relationship between millionaire health supplement distributor and a wannabe rock 'n roller, Dino Guglielmelli, his model wife, Monica Olsen, and the presumed hit man who came into the picture, Richard Fuhrmann.