Watch Infinitum: Subject Unknown 123movies online for free. Infinitum: Subject Unknown Movies123: Jane wakes up in a strange attic, in a parallel world, with seemingly no way out. She is stuck in a time-loop, destined to relive the same day over and over with little memory of her doing it before. But with each 'reset' she starts to remember more and more and begins to piece together what may be happening to her, with clues pointing to a Professor Aaron Ostergaard. She makes her way to the mysterious Wytness Quantum Research Centre, run by Charles Marland-White, to try to find a way out.