Heinrich Lohse, a strict and highly efficient purchasing manager at a company bulk-orders 40 tons of mustard and enough typewriting paper for 40 years just to get discount. Heinrich's boss decides it’s time for him to retire early. Heinrich suddenly finds himself with nothing to do—except micromanage his household, much to the dismay of his wife Renate and their son Dieter
Paul Winkelmann is the CEO of a successful business in Hamburg that he took over after the death of his father eight years ago. But he is still strongly dominated by his 78 year old mother who cares for him as a child, and who cannot understand why he took an apartment on his own after all these years. The real "problem" starts when Paul gets to know psychologist Margarethe Tietze whose relationship to her parents is also not so easy after all.
Ferdinand Weitel, a forklift driver, is desperate: Insurance agent Arno von Mehling, a true sales talent, has had contracts signed in record amounts. Now Weitel is wandering through the corridors of the insurance company trying to save what can still be saved - on Shrove Tuesday of all days. The department for customer service and complaints is in a colorful mood and has no ear for Weitel's worries. Finally, secretary Annerose Waguscheit takes heart and tells him about the evening carnival ball "Traum-Police", where he can safely find Mr. Mehling.
In the late 1970s the German secret service fights against RAF terrorism and searches for constitutional enemies in the public service. Teacher Brasch implicates secret service agent Körner and the government in the suicide of a young teen. As a result Brasch and the exposed Körner are fired.