Three coquettish beautiful big girl in nature's garb to wake up in an empty room, they forget all the past, and even their own identities are unknown. The pursuers come unexpectedly is make them confused and frightened, they join forces to escape, was surprised to find that there are specific functions above average in their body. Small officer line Chen Tao accidentally saved three beautiful girl, and then in the room. Chen Tao decided to help three people find their own identity, as the exchange, three girls with their specific function to help Chen Tao solve many bizarre case. Each step closer to the truth, also from the dangerous one step closer, the seemingly placid life crises, but they are not all of this is a big conspiracy...