Sum of Existence (2005) tells the story of Liz, a woman who becomes the victim of a brutal assault. In an attempt to cope with the trauma, she undergoes hypnosis to forget the horrifying event. However, the attacker is relentless and will stop at nothing to ensure that Liz remembers him. As she begins to experience unsettling reminders of the assault despite her memory being wiped, Liz is forced to confront the nightmare she thought she had left behind. The film is a psychological thriller that delves into themes of memory, trauma, and the haunting grip of past violence, as Liz fights to reclaim her sense of safety and her own mind from the tormentor who refuses to be forgotten.