Soulmates exist - however, they are incredibly rare. Being able to telepathically communicate, sharing their senses and using each other's strength in times of need, rumors has it - that when they are discovered - they get taken away for various scientific experimentations. Elle has been living a calm and boring life ever since she can remember without believing in the existence of the so-called soulmates. But when an unfamiliar voice suddenly pops up in her head, telling her to run, she realizes that there is more to it than she has ever known.