A drifter riding the rails gets mistaken for the new sheriff of a small town. He takes the police job and is immediately pressured to crack down on local organized crime.

An ex-major forces a scientist to develop a invisibility formula, with which he plans to create an invisible army and sell it to the highest bidder. However there are side effects to the formula.

In 1960, a pilot testing an experimental rocket powered aircraft accidentally flies into the future and finds himself in a sealed city whose people suspect he is a spy from outside their walls, but who want to keep him to procreate with the ruler's daughter because the majority of the inhabitants are sterile.

The students at a school of hotel management repurpose the institute into a hotel with a show stage, double-cross the principal, the groundskeeper, and a grumpy millionaire, and cause so much mischief and confusion that, in the end, there is only one thing left to do: laughing to the bitter end!

An American links her mothers death in Bankok to a plot involving Vietnamese refugees.