An engineer and his 5-year old son Rasmus are kidnapped by a group who wants to get their hands on the engineer's latest invention. Three kids become witnesses to the kidnapping and decide to follow the kidnappers to an island and attempt to make a rescue.

A few conscripts realise that the army has vast resources that don't get used as much as they could. Using army material, they start to do services for people in the neighbourhood. More and more money is exchanged, more and more people gets involved, but when will someone reveal the truth to someoney who they can't pay?