Breeder(2015)

Sandra, a private investigator on maternity leave is disturbed by Jenny, her own assistant to meet Olga, a Russian expat whose son is missing. Little do they know that they will have to venture into one of the most sinister stories that a little island like Malta has to tell. Kurt, Olga's son, is not the only person missing. A mysterious man is breeding worms inside their bodies, the most atrocious way.