Ο Πι Πάτελ είναι ένα 16χρονο αγόρι, γιος ιδιοκτήτη ζωολογικού κήπου. Μια μέρα, όλη η οικογένεια μαζί με πλήθος ζώων επιβιβάζονται σε ένα πλοίο με προορισμό τον Καναδά, προκειμένου να χτίσουν μια νέα ζωή. Στην πορεία, το πλοίο βυθίζεται και ο Πι σώζεται σε μια βάρκα στην μέση του Ειρηνικού ωκεανού, μαζί με μια ύαινα, έναν ουρακοτάγκο, μία ζέβρα και μια τίγρη της Βεγγάλης.

The Nereus is a fifty-year-old Ice Breaker, salvaged by an idealistic crew on a mission to catch illegal fisherman. On chase, the crew find themselves well off-course and bearing down on a body mysteriously floating in the middle of the Devil’s Sea. Superstitious or not, the team soon discovers they’ve rescued a deadly creature feeding on the lifeless body. Their new mission—kill or be killed and preferably before they hit land.

Sydney Carpenter is a devoted mother to her young son, and is now accustomed to the puzzling existence of her mysterious, non-communicative husband, Matthew. When her husband and son are suddenly lost at sea after a boating accident, Sydney's comfortable existence is shattered. Although overwhelmed by her grief, Sydney cannot ignore the strange pieces from her husband's past that continue to make their way into the present.