An exploratory dive into the deepest depths of the ocean of a daring research team spirals into chaos when a malevolent mining operation threatens their mission and forces them into a high-stakes battle for survival.

Jin Ying is currently experiencing two of life’s most depressing moments: She is jilted by her fiancé, and her loving grandmother passes away. Heartbroken, she decides to visit the European city of Prague, and hopes to use the time to heal her inner pain. While in Prague, she meets a young Chinese man named Punk. There, she slowly unravels a secret romance her grandmother once experienced long ago.

A deep sea submersible pilot revisits his past fears in the Mariana Trench, and accidentally unleashes the seventy foot ancestor of the Great White Shark believed to be extinct.