On Seon-woo is the head of the biggest company in Korea. He also secretly runs a private detective agency. On the other hand, Don Se Ra is a person with extraordinary vision and uses this ability to help people...

A creature action thriller series about the desperate survival of the survivors among the mutant humans who drank a mysterious black smoke from the sinkhole and soon turned into monsters and quickly became a pandemonium.

The Subway Police of Wangsoori Station is led by Chief Inspector Ko Ji Seok. He is the best of the best, although his only goal in life is to have a stable, uneventful career. However, a serial killer, nicknamed "the Subway Ghost", strikes the Subway Police 30 Year Anniversary event. An applicant shows up for a job interview to join the team.

This story is about a woman who loses all her time before she can use it up and a man who gives up all of his radiant moments and lives a lethargic life.