Something's fishy... It all goes into total chaos when fifteen-year-old Cathleen Sea falls through a portal to the legendary Camelot. At first, she is desperate to go home, but when she finds out that an evil wizard is on brink of conquering the whole realm, Cathleen and two other selkies jump into rescue mode to save the realm. Along the way, they meet friends and enemies, but nothing is stopping this trio from having a hair-raising adventure of the lifetime-not even a hungry polar bear!