When the coral loses its colour and the sea creatures start fleeing, it's up to Detective Dimple, a clever decorator crab, and her trusty sidekick Yeehaw Seahorse to crack the case. Armed with her magnifying glass, a disguise, and boundless determination, Dimple dives into an ocean mystery. Can she uncover the clues, rally her underwater friends, and find a way to cool the warming seas before it's too late? Packed with adventure, humour, and practical ways children can help save our seas, this engaging story shows young readers how teamwork and taking care of the planet can make waves of change.