Flurry and his brothers wake up adrift at sea. Before the cubs can solve the mystery of their arrival, they are flung into an epic adventure on the high seas.

Reunited with Chingu the Protector, they embark on a mission to find Captain White Cloud and confront the evil grizzly bear pirate known to all as Black Bear'd.

Their adventure is shipwrecked when they learn of an ancient evil gaining power and a secret army. It's a race against time to stop Black Bear'd and save the lives of those terrorized by his pirate crew.

Flurry and his friends need to put aside their differences and work together to outwit one of the worst villains they have ever encountered.