"Dunkle Helden" is the title of the 4th movie of the series "Das Quartett" with Anja Kling, Annika Blendl, Shenja Lacher und Anton Spieler in the leading roles. Director was again Vivian Naefe. 

Do you remember the series "Um die 30"? 
It's been more than twenty years since Frank, Tina, Carola, Carlo, Sabrina and Olaf spent their evenings at the bowling alley together. They have all gotten older, but that doesn't necessarily make life easier.