Unemployed and in search of work, a young man gets roped into a series of shady schemes that unite a former band of money launderers.
A trespassing gang of boys encounter a ghost in the ruins of a castle. When they rescue the ghost who is caught in a trapset, they become allies in a fight to prevent ruins from being turned into mushroom farm by the city authorities.
Two aliens stir up trouble on Earth in order to study humans. Misunderstandings ensue.