Johnny Maxwell stumbles upon a time machine when he helps an old woman, but little does he know that his journeys back to 1941 cause a chain of events which alter history. Johnny and his friends must go back in time to reverse the changes and save his own existence.

Video store clerk Steve Baxter realises that he is in fact the Son of God. He has just a few days to find the human race's Third Testament and thus avert the Apocalypse.