A man who time-travels from the past ends up getting taken in by a girl. As they spend time together, they start finding out the secrets of their birth.

Ju Heng comes from a parallel world. Isolated from the world since his childhood, he has trained to become an unrivaled master of martial arts. One day, he unwittingly finds himself in the modern times where he meets the orphaned Ai Li Si. Although their lives seem unrelated, they soon realize that Ju Heng's arrival may not have been accidental.—Nautiljon