An ordinary kiss – that´s all Moritz gets from his wife Ines. But the bride finds herself in the arms of her lover Bernd. Being on board of a financial cooperation her salary is superb, but she doesn´t want to get taxed that high.
To trick the treasury she marries her friend Moritz who earns very little as an archivist. This fake marriage saves Ines a big amount in taxes.
Her fake husbands´ rent she pays with petty cash.  Of all people his new neighbor Ekkehard is the tax inspector who´s responsible for them. To avoid being arrested for tax evasion they start playing the happy couple…