"Nur ein verliebter Mann ist ein guter Mann" with Heidi Jürgens over the coming days at the Theaterschiff Bremen! Lisa had quite a different evening in mind. It was meant to be an exciting event-date, exactly to her taste. But then her sister Hanna turns up on the doorstep, bag and baggage, because her husband Martin has cheated on her, after all their years together! Lisa is quick to spot the real reason behind Martin''s affair: routine and a passion that has gone to sleep. How a relationship might work differently is a mystery to Hanna. As an expert in the field, Lisa takes her on as an "intern".
While Hanna does her internship with Lisa, Martin enjoys, at least at first, his newly won freedom: sitting in the bar, tending to his beer belly, leaving the rubbish out a day longer, going for a drink with the mummy''s boy Bastian. Naturally, men like that hardly have women queuing up for them. And so he has to admit to himself that single life is exhausting and not at all easy. He regrets his affair and really wants nothing more than to have his Hanna back.
But Hanna blossoms under Lisa''s guidance. Her teachings fall on fertile ground: keeping a man in love by being unavailable, organising thrilling dates, for example at the high ropes course. Because they both know: only a man in love is a good man!