Katharina Wallner is a dreamy and quirky storeowner who spends her lonely life amidst her shops eccentric collection of old movie posters and film props. The buildings owner, Heinz Ortner, wants to demolish the house but Katharina refuses to abandon her only refuge. 　　Wanting her out at any cost, he enlists the aid of his caretaker to i…Katharina Wallner is a dreamy and quirky storeowner who spends her lonely life amidst her shops eccentric collection of old movie posters and film props. The buildings owner, Heinz Ortner, wants to demolish the house but Katharina refuses to abandon her only refuge. 　　Wanting her out at any cost, he enlists the aid of his caretaker to intimidate her and make her life miserable. The only solace Katharina receives is from the daily visits of the 10-year-old Lena, whose mother Miriam happens to be Ortners mistress.Wanting her out at any cost, he enlists the aid of his caretaker to intimidate her and make her life miserable. The only solace Katharina receives is from the daily visits of the 10-year-old Lena, whose mother Miriam happens to be Ortners mistress.One night, the girl helplessly watches as her mother is severely beaten by the drunken landlord. She runs to Katharinas shop to ask for help, but the woman is extremely unsettled this very night she had been visited by her supposedly dead sister Hannah.The next morning, Ortner is found dead in the courtyard. The case is assigned to Commissioner Graumann, who identifies Miriam as the prime suspect. Eventually, various clues surface during the course of the investigation leading to Hannah. Had she killed Ortner? 　　After a talk with her sister, even Katharina has doubts regarding her innocence. Finally, it is only after Commissioner Graumann confronts Hannah that he realizes the incredible truthAfter a talk with her sister, even Katharina has doubts regarding her innocence. Finally, it is only after Commissioner Graumann confronts Hannah that he realizes the incredible truth