Yeon-hee suddenly disappeared after her SNS account was hacked. Detective Ui-chan, who feels there is a secret behind Yeon-hee's death, who appears as a corpse after a while, investigates the people involved and learns the truth behind Yeon-hee's death.

Cha Ye-ryun
as 김연희

Jo Han-sun
as 송의찬

Phillip Choi
as 이상범

Kim Jung-hwa
as 라수진

Hyomin
as 차혜주

Kim Jung-tae
as 김팀장

Kim Han-jong
as 쉐프

Im Ji-yeon
as Park Soo Young [Detective]