Linkeroever (2008)

In Antwerp, Marie is a world-class runner at 22, with a general air of discontent. She learns she has chronic fatigue syndrome and must stop training for a month. At the track she's met Bobby, an archer, and they start a relationship. Bobby invites her to stay with him while recovering: he lives at West Bank, three tall blocks of flats built on an isolated plot. Marie's mom doesn't like the arrangement, Marie is soon vomiting, and she learns that the previous tenant in Bobby's flat disappeared leaving notes about the building's cellar and photos of the area before West Bank was built. The missing woman's boyfriend visits one day. What's going on?