Amelie Klein and Pia Schieder wake up in a rooftop swimming pool full of champagne bottles. With smeared makeup, a terrible hangover, and no memory at all. A complete blackout! That would be embarrassing for anyone, but it's especially bad for the two lawyers. Because at some point during the wild night before, they lost track of a client's file, which they shouldn't have had in the first place. Something like that. The vicious star lawyer Pia and her downtrodden assistant Amelie desperately try...