Advises the reader about what to do, and not do, in order to successfully spot a whale, such as wrapping up in a not-too-cozy blanket, ignoring the roses, and especially, being patient.
When the whale-watching cruise they are on sails into an area which is supposedly cursed, and is immediately attacked by a group of apparently aquatic monsters, the Mystery Inc. crew set out to find the villain behind the attack, with some timely help from Batman and Robin.