Locked in time, a scientist from the future named Locke is stranded in the 1800s. He must remain in isolation for over two centuries, waiting for the next portal that will return him to his own time. Aware of the butterfly effect, he avoids contact with anyone until Zoe suddenly crosses his path. A compassionate young woman, Zoe's destiny is closely linked to his own. Despite knowing the dangers, Locke finds himself drawn to her. Will he defy everything he's learned to save her and risk his own future in the process?