Tiffany, Charlie and Vernon are con artists looking to up the ante from their typical scams. They figure a good way of doing this is taking down Dean "The Dean" Stevens, a well-known cardsharp, in a rigged game. However, they first need enough money to enter a game with Stevens, so they decide to strike a deal with fellow crook Larry Jennings to scam a local gangster -- which turns out to be a bad idea.

Martian women from Mars have sent an army of killer robots to take over planet Earth, and the only hope for mankind may be a Doomsday weapon built by a mysterious inventor in this throwback sci-fi entry with a double shot of 1950s retro kitch. As killer robots descend from the sky, a hapless police officer is abducted by a UFO and a young couple finds their romantic picnic rudely interrupted by the shiny metallic invaders. Though a doomsday weapon of unimaginable power may be mankind's only defense against the powerful invaders, it could also spell the end for the human race as we know it.