Tracer

When an unassuming dad's daughter goes missing, he dusts off his old black-ops skills to track her down — only to attract the wrong kind of attention.

A mother who unfairly lost her young son, takes revenge against the perpetrator who has been forgiven by the law and heals her wounds.

Gil Soo-Hyun is extremely intelligent. At the age of 10, he attended Harvard University. After graduating there, he decided to work at the FBI and worked there for 10 years. Afterwards, he decided to come back to South Korea. He now works as the leader of the Special Missing Persons Unit. The unit deals with about 1% of special missing cases involving violent crimes. His appearance borders on perfection, but he holds a secret. Detective Oh Dae-Young joins the Special Missing Persons Unit. He has worked as a detective for 20 years and he has an obsession in observing the law. He is known as a master of missing person cases.

It's 3 minutes for hearers, but a life for the callers. A crime thriller chasing even the slightest sounds to rescue people's lives calling for urgent help.

"Special Affairs Team TEN" is a criminal investigation unit that tackles the most violent crimes in South Korea. These crimes usually have less than a 10% rate for arrests. They chase the most notorious killers who attempt to commit the perfect crimes.

Before deciding to register entering the university abroad, Soo-yeon who wants to be a musician faces the objection of her family who ignores her dream. She tries to find a way to make her dream come true, but the chance is not on her side. Finally, she challenges to a musician contest with her old friend, Dong-ho who is the only one trusts in her.