Violet the bear has awoken early from her hibernation, but she doesn't know why. She's called on Shelby & Watts to solve the case before her son, Theodore, is roused from his hibernation, too. With Shelby's deductive skills and Watts's scientific know-how, they'll leave no stone unturned or question unanswered. In this follow-up to Tide Pool Troubles, our two environmental detectives uncover the larger issue underlying Violet's early start to spring: climate change.