Alte Bande plot
Boxer rules the prison where he is serving his prison sentence. However, he is more than 80 years old and the management wants to transfer him to an adapted prison for seniors. Boxer doesn't like spending his days among the old people, until his comrade Henne comes to inform him that he has tracked down Boxer's old flame Kathrin and that she has a daughter who looks very similar to him. Suddenly Boxer likes his transfer. He thinks he can easily escape from his new cell to win Kathrin back and meet his daughter, but then he runs into his old crime partner Wallberg. They still have an apple to pick with each other.