Poltergay (2006)

Poltergay: When Marc and Emma move into their new house, they have no idea that in the 1970s, their basement was a gay nightclub which had been destroyed by fire and that the house itself is now haunted by the ghosts of five gay and mischievous clubbers. Marc can see them. Emma can't. In the end, Marc's visions cause Emma to walk out on him. Touched by the poor guy's distress, the ghosts decide to help him win Emma back. In return, Marc frees them from the house and helps them to discover the 21st century fever!