Sim Deok-soo is a grumpy landlord running a run-down apartment complex. Suddenly his tenants begin disappearing under suspicious circumstances. A retired ex-detective shows up, claiming a serial murderer from 30 years back has returned.

When a crime organization from North Korea crosses borders and enters South Korean soil, a South Korean detective must cooperate with a North Korean detective to investigate their whereabouts.

Gi-joon starts an agency that helps people locate their long-lost first loves and Ji-woo becomes his first client. She is dragged there by her worried father, Captain SEO, who learns that she's still hung up on Kim Jung-wook, a man she fell in love with on her trip to India in her early 20s. To identify the face of Ji-woo's long-lost first love, the two travel all aro... Read all