A rich young lady marries a man without means only because her father tells her it is a way to save millions in income tax each year - by Germany's tax splitting rules for married couples.

For reasons of well-calculated tax savings, a financial expert Ines marries her low-earning childhood friend. The marriage of convenience with the dreamy loser brings Ines a lot of tax savings. When a notoriously suspicious tax official moves into the neighborhood, the sham couple must fall head over heels in love.