A brilliant boy discovers that he can manipulate time using a family heirloom. He soon team up his siblings in returning to the time of their parents' separation from their in hopes of changing the outcome.

Follows troubled youth Chan Lok-kwun as he accidentally enters the Walled City, discovers the order amidst its chaos, and learns important life lessons along the way.

A professor moonlighting as a hit man of sorts for his city police department, descends into dangerous, dubious territory when he finds himself attracted to a woman who enlists his services.