Incursion (2016)

Sapphire, a slave, loses control after constant beatings by her abusive owner. Blinded by rage, she mistakenly murders her owner, ultimately unleashing hell upon her. On the way to her execution at the Coliseum, the chain binding Sapphire to the reaper loosens. Witnessing the horrifying execution of another victim, she flees from the Coliseum. Soon, she finds herself in a room—a graveyard of the heads of previous victims. Sapphire discovers a hidden cave inside where she encounters another being who looks identical to her. She is offered the chance to time travel back to before the murder and remove all recollections of the horrors that she has witnessed. She accepts both offers and her wishes are granted. Unfortunately, with her memories removed, Sapphire falls into an eternal cycle.