Hugo, is a turn-of-the-century scientist-loved and respected by his family and friends, admired by his colleagues. But he is a man quickly becoming obsessed with a curious and frightening question... what is the mysterious apparition found in the photographs of his dying subjects? Hugo brings his latest invention to a family boating party - a motion picture camera. The party quickly turns into a disaster as he captures the tragic drowning of his wife and son on film. When the film is replayed later a ghostlike presence appears it flies towards his son, and vanishes inside his dying body. Has Hugo discovered The Asphyx, the spirit of the dead, described in Greek mythology? It is a ghoulish search, with eternally haunting results and Hugo is compelled to find the answers.