Demonlover is a 2002 French neo-noir thriller film written and directed by Olivier Assayas, and starring Connie Nielsen, Charles Berling, Chloë Sevigny, and Gina Gershon. The plot focuses on the entanglement between various corporations vying over the financial control of an interactive 3-D hentai company, resulting in a power struggle that culminates in violence and espionage. It features a musical score by Sonic Youth. It premiered at the 2002 Cannes Film Festival, although it was more widely released several months later.