Siren Phillips has lived her life thinking she's an ordinary girl, in an ordinary town. On the eve of her twelfth birthday, however, she learns that she is far from ordinary. Destined to turn into a Mermaid at the age of twelve, Siren must struggle with her new reality, saying good-bye to her mother and friends, while …

索菲·安德森是一家腐败制药公司知识产权案的首席律师。当她的导师兼老板布鲁斯·亨肖被绑架时，索菲成了一个精心策划的小卒，这个阴谋危及了她的案件，甚至更多。苏菲与时间赛跑，为了救布鲁斯，逃掉那些设陷阱诱捕她的致命陷阱。