[IM NAYEON, MYOUI MINA, MINATOZAKI SANA] A police officer, a detective, and a doctor, team up to solve a chilling murder chain, each crime linked by one eerie clue: Tally marks. Their path suddenly crossed with a sharp-witted lawyer, working on a separate case: A wrongful death penalty from 20 years ago. As the lawyer insists the two cases are possibly connected, the team races against time to uncover the truth and stop the murders before more lives are claimed by an unknown motive.All Rights Reserved