Mad World
一念無明 (original)
A stockbroker struggling with bipolar disorder goes to live with his estranged father in a cramped flat, where old resentments bubble to the surface.
Starring Shawn Yue, Eric Tsang, Elaine Jin, Charmaine Fong, Bryant Mak, Jie Shui
It's a drama and comedy movie, and has a rating of 7.2 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Germany.