"Dragon Contract" is a grand story with universal significance. It starts with a missing cruise ship in the Bohai Bay related to "Yinglong", which leads to the huge background of the legacy of the ancient battle between Yanhuang and Chiyou, and sets off a thrilling struggle between the two tribes: the descendants of the Sealer played by Tang Yuzhe and the Hunter tribe played by Calvin Chen gathered in Juye Town, where the cruise ship incident occurred, and led the dragon-hunting team to fight wits and courage with the army of barbarians led by the remnant leader of the Mad Demon tribe, and launched a magnificent battle in the alien world.