Titus and 450 have caught a mouse, which they now have to bring to the Kolinski store in Eimsbüttel. There they meet Henry, Pelle and 450er's crush Kimi. Meanwhile at Kolinski Altona, Flora teaches Mrs. Jensen how to rap, Peter flirts with Pina and Lia tries to make Thorsten a better branch manager.

Sabine wants to see the images from the surveillance cameras. But the cameras have to be installed first. Thorsten is overstressed. Peter becomes a father and Jonas falls in love.