Ina and Klaus Heller have sent their twins to vacation camp and are looking forward to a romantic and loving time together. But their mutual friends have their doubts. After all, how are the stressed-out judge and the ambitious architect supposed to know how "it" works? And indeed, there is a big lull in bed for once. Both are frustrated and so Klaus is not particularly sad when he is asked to take on an important project at short notice. So that Ina doesn't get too angry with him, he sells her a stay in a luxurious wellness hotel as an additional vacation treat. Now he has to be extra careful. After all, his wife mustn't know about his appointments there.