Pandora wants nothing more than to be a Watcher. Even if that means dealing with an unsupportive mother, a sleazy trainer, and mental and physical challenges most never surpass.But that all changes when her little sister disappears from her own betrothal party.Seph has always been the good girl, and it's no wonder their mother managed to get the Golden Prince - Zeus himself - to agree to a betrothal.Except Seph isn't as happy as she should be and Zeus isn't as loyal as he should be.And when Pandora crosses paths with ex-Watcher and current brooding alcoholic, Apollo, the night is already overwhelming, and it's just getting started.Because they discover that it isn't just Seph missing, but the Box is too.The Box Zeus used to imprison the seven Titans hellbent on destroying Olympus by himself. The Box Zeus gave to Seph as a wedding gift.Now, Pandora must embark on a search for her little sister, regardless of what she has to sacrifice in order to find the truth. But she must also search for the Box before it's opened and chaos is unleashed on Olympus once again.