Die Frau im roten Kleid(2006)

Overview:

Ines Kupfer is a famous, universally acclaimed and popular actress. But her career has meant she has never had much time for her only daughter Nathalie. Now Nathalie's wedding to the charming Stephan de Groot is just around the corner, and Ines wants to throw her daughter a lavish party on her estate. But when a woman in a red dress threatens to reveal a dark event from Ines' past at the wedding reception and is found dead the next day, events come thick and fast.