A scientist meets a version of himself from the future who has traveled back in time to stop himself from inventing time travel.

Ten stories are woven together by their shared theme of Halloween night in an American suburb, where ghouls, imps, aliens and axe murderers appear for one night only to terrorize unsuspecting residents.

A deceased billionaire leaves his spoiled adult grandson a series of odd tasks to perform in order to receive "the ultimate gift," with the resentful grandson having no idea what that might be.