Summer, Winter, Spring and Autumn are the Seasons Sisters, the daughters of the world-renowned Seasons Detectives. Ten years ago, their famous parents disappeared. Left to raise themselves, the sisters formed an unbreakable bond. Now that bond is tested as the sisters fall prey to sinister forces. The youngest sister, Spring, is the last hope of saving them from a fate worse than death. Will Spring be able to piece her shattered family back together before it's too late for them all?