Pip and Tomas visit a seaside showplace filled with magical sea creatures and find themselves surrounded by a menagerie of fantastic specimens before becoming entangled in a mystery involving a naughty sea monster that might not be staying in its tank.
Together with his friends, twelve-year-old Hale, an overweight and non-athletic double agent against SRS, the corrupt spy organization he was raised in, travels to Switzerland to destroy the SRS bank account.