In a future where Earth is covered with water, the human race struggles to survive on dilapidated boats and makeshift floating cities called atolls. When a mysterious drifter/adventurer known as the Mariner gets caught up in the struggle between the evil Deacon and a young girl and her adoptive mother, he finds himself catapulted into an explosive war of good vs. evil.

When Kate, a take-charge wolf, and Humphrey, a laid-back wolf, are picked up by park rangers and relocated halfway across country, the two set off on an incredible journey back home and learn along the way that, although they are complete opposites, they make a good team.

Jack Traven, an L.A.P.D. SWAT team specialist, is sent to diffuse a bomb that a revenge-driven extortionist has planted on a bus.