A man suspects his girlfriend of being unfaithful. So he sends her a letter, but than finds out that he was wrong. He has 24 hours to stop the package, prevent a disaster, and fall in love. The only problem is the delivery man will not stop until the package has been delivered.

Bud and Doyle are two losers who are doing nothing with their lives. Both of their girlfriends are actively involved in saving the environment, but the two friends couldn't care less about saving the Earth. One day, when a group of scientists begin a mission to live inside a "Bio-Dome" for a year without outside contact, Bud and Doyle ...