Two adventures dive for treasure off the coast of Jamaica.

When a handful of settlers survive an Apache attack on their wagon train they must put their lives into the hands of Comanche Todd, a white man who has lived with the Comanches most of his life and is wanted for the murder of three men.

After doing 13 years in prison for the murder of his wife, mechanic Harry Graham is out on parole and looking to rebuild his life in a small seaside community. He settles into a trailer park and finds both a job and a girlfriend. But things get difficult for Harry when his estranged son, Jimmy, shows up. He witnessed his mother's murder as a child and, after years spent in foster homes, has come looking for revenge.

Two men discuss the nature of accidents and the possibility of nuclear war.

Chicago, 1920: Gangster Sam Dunleavy has just returned to town, and is visited by Al, a former childhood friend who is now a police officer. Al knows that Sam's girlfriend has just dropped him, and he warns Sam not to try anything violent. But Sam does plan to kill his ex-girlfriend, and he knows he needs an alibi. He sees his friend Barney, who promises to give him a perfect alibi for $2500. They work out the details, and Sam returns to Barney's place later to put the plan into action. But Al also shows up, so Sam knows that the plan must work perfectly.