A woman turns into an octopus container for her husband

After witnessing the death of his wife in a shipwreck, Zhang Yang, who has spent half of his life on the sea, vows never to set foot on the ocean again. However, on the occasion of his daughter's 12th birthday, in order to fulfill his daughter's wish, Zhang Yang is persuaded by his best friend to break his oath and get involved in a sea smuggling, stepping on an ocean freighter like a steel prison. At the same time, a horrible accident occurs, a never-seen monster escapes from the ship's laboratory and, with its natural predator gene, mercilessly hunts the humans on board, plunging all of them into a test of survival!