Whispering Moon (2006)

Original title: Das Flüstern des Mondes

Who knew that the recipe for yogurt could be so hot!

Jannis, a cute, young gay man, and his adorable mute boyfriend, Patrick, infiltrate a circus to shoot an undercover documentary exposing an underground political conspiracy responsible for a recent spate of assasination attempts. When Patrick meet Mo, a young woman whose sensitivity to sunlight forces her to live by nigh, Jannis' jelousy threatens the entire project. Only Patrick's unwavering devotion to the man he loves will help save the day and reveal the truth of who is behind the conspiracy.