Happy End. 2005 one on netflix

“Happy End” is about a young writer who moves into an old suburban house because of his writing blockade. He wants to start a new life there. Searching for the right story for his new novel, he discovers a well secured secret in which his strange neighbors and the preceding tenant are involved. Joana, the little daughter who died in a car accident 7 years ago, seems to play an important role in this mystery. In the end, everything turns out different from what he expected.