The whole family of the bride Yuan Rui was killed while in the wedding room, but she was saved by a masked man. A year later, Roy learns from information dealer Bao Dating that his father killed a thief in order to save people. With Bao Dateng's help, Rui searched for the enemy's weakness and set foot on the path of revenge.

Rookie special agent Jin Mushui and his female partner with superpowers Dong Ling got the order to travel hrough the time portal back to 1934. They need to investigate the appearance of the river dragon on Liaoning Yingkou Liao River bank