Fisherman Chen Yue is hired to sail a group of people, including photographer Zhong Ming, to a party on an ocean island. Upon arrival, the island is attacked by a massive deep-sea python, killing anyone it finds. Chen Yue and Zhong Ming must work together to lead the survivors out of danger in a fight for survival.
Seven years after her family’s massacre, Jiang Chan discovers a link to Li Sha Lou, a secretive assassin organization. To uncover the truth, she masters her family’s martial arts, adopts the alias Hua Shan, and infiltrates the group.