Ten years after discovering her murdered uncle, Ena and Detective Hansaem must cooperate to stop a series of similar murders - each linked by strange puzzle pieces.
Starring Kim Da-mi, Son Suk-ku, Kim Sung-kyun, Hyun Bong-sik, Kwak Ja-hyung, Jang Kyug-su, Jeong Man-sik, Ahn So-yo, Hong Bi-ra, Kim Doh-yon