The years have passed and the children have flown from the nest to the world... except they haven't. On the contrary. Jonna and Junnu have been lured back home, with the addition of Jonna's child, by a house that will soon be empty. The parents, who are of retirement age, are about to move to Spain - as soon as the father can tell his employer that he is quitting his job as a taxi driver. But the father's plans are changed when his boss buys his taxi company a new vehicle, a luxury Mercedes with all the bells and whistles. His pension, Spain, wife and common sense all vanish as he is left with one obsessive goal: to get behind the wheel of his coveted Mercedes one single time. Eventually his dream comes true, but at a cost. The father discovers he has put the whole family in such dire straits that the only way out is to steal the dead man's briefcase.

The father and mother flee to Lapland to prepare for Christmas, but peace is at a standstill when the children tag along. When Jussi's new girlfriend Viktoria is revealed to be the millionaire's only child, the father does everything he can to make the best possible impression on the family's new daughter-in-law. As one surprise follow after another, the father must put all his “expertise” into play.