Jan Hinrichs is an experienced ship and salvage inspector. After the bankruptcy of his last employer, however, he is not above working as a simple diver. The widower has two children to support and soon a third eater is on board, as his daughter Lena is pregnant. The only problem is that Hinrichs is 55 and, in the eyes of the shipowners, too old for this job that requires bones and fitness. And so he pretends to be 10 years younger at a job interview. He falsifies his diving book and gets himself a fake passport. The world wants to be deceived. Now things are suddenly working out: Hinrichs does his job, he does it well and his boss is happy with him - for the time being.

Felix from Hamburg comes into possession of a run-down gas station in the middle of the north German provinces through a dubious barter. But that's not all: right across the street, the young Weda also runs a petrol pump business and is of course not very enthusiastic about the annoying competition. Only when an oil company stretches out its greedy fingers for the two gas stations do the quarreling operators also get closer personally...