Son Suk-ku

The story of I-na, who was the only witness and suspect of a murder case, and 10 years later becomes a profiler and uncovers the hidden truth with Han Sam, a police officer who suspects her as a suspect.

After life's ups and downs, a loving couple separated by death reunites in heaven — only to discover he's in his thirties while she's in her eighties.

Followed by Ma Seok-do, who heads to a foreign country to extradite a suspect. However, he discovers additional murder cases and learns about a killer who had committed crimes against tourists for many years.

A man who accidentally murders a serial killer and a detective who pursues him relentlessly.