When upscale Darin meets trailer park Sheila, their class differences are no match for their love. But when Darin decides to move up in the world and asks the reluctant Sheila to abandon her trashy behavior, their marriage is dissolved by murder.

When a pair of happily married missionaries leave for a soul-saving trip to Africa, their relationship is as solid as their faith. But when one partner breaks the commandment of coveting a neighbor, the next broken rule will be "Thou Shalt Not Kill."