A Union soldier returns to his western home at the end of the Civil War and finds himself caught in the middle of a land war between his greedy half-brother and a wagon train of Confederate homesteaders.

The fate of the planet in the hands of Larry, Moe and Curly Joe? That's exactly the situation the trio finds themselves in when they befriend a wacky scientist and must defend his secret invention from a pair of malevolent Martians. Sight gags, slapstick and plenty of nyuks abound as the Stooges bumble their way through an adventure of intergalactic proportions.

New Mexico Territory, August 1879. The few surviving members of a cavalry column, which has been relentlessly decimated by the Apaches, attempt to reach Fort Crain. On their way through a hostile land, the obsessive and ruthless Sergeant Vinson takes to the limit the battered will of the troopers under his command.