In the middle of the night, a horrendous murder takes place in a public washroom. Major Crimes detective Dong-geun finds a crumpled up note inside the victim’s mouth. The note contains a date from 11 years ago, and as he digs deeper into the note, he finds out that the victim (Bong-jin) was a bully in the military, and Dong-geun gets a chance to reflect on his own unsavory past that he has forgotten until now. The person who committed suicide due to Bong-jin’s harassment ...more

In the middle of the night, a horrendous murder takes place in a public washroom. Major Crimes detective Dong-geun finds a crumpled up note inside the victim’s mouth. The note contains a date from 11 years ago, and as he digs deeper into the note, he finds out that the victim (Bong-jin) was a bully in the military, and Dong-geun gets a chance to reflect on his own unsavory past that he has forgotten until now. The person who committed suicide due to Bong-jin’s harassment is none other than Dong-geun’s middle school friend Young-hoon.
Dong-geun is working off the theory that Bong-jin, who made Young-hoon’s life in the military a living hell, was extorting and blackmailing his former superior officer Sung-hyun, who ordered the harassment. Dong-geun puts Sung-hyun on top of the suspect list and as soon as his DNA is recovered from the crime scene, another murder is discovered. Both cases are similar in many ways and it’s possible that the killer murdered both victims, but evidence recovered from crime scenes point to 2 different suspects. More importantly, Sung-hyun had an airtight alibi.
Major Crimes detectives point to Young-hoon’s only friend in the military and veterinarian Gyung-il as their new suspect, who had the motive to go after Young-hoon’s harassers. However, Dong-geunless