Anna loves Lars, always on Mondays at the luxurious Ramses Hotel. She is married to Rainer, the seemingly well-behaved lawyer. But of course, Anna knows nothing about Gudrun, Rainer's paid mistress. Everything could actually stay the same—if it weren't for the dead body in the Ramses that complicates matters. Suddenly, Anna finds herself drawn into a case where entirely different forces are at play...