Alan, a wannabe detective, has been struggling ever since his parents passed away. One day, Ella, a mysterious and captivating woman, hires him to investigate the disappearance of Nathan, a powerful billionaire—a case that could lead him to the recognition he has always dreamed of.

Eri, a scientist from a secret organization, decides to escape but is hunted by demons. Just as she’s about to be killed, a mysterious hero in a cloak appears.