Pursuing the Killer: Rivers Flow into the Sea

The mysterious butterfly murder case, the mystery of a livestreaming host who vanished on air, and a family massacre on New Year's Eve... A battle of black and white, life and death, against the killer.

A lighthearted romance between a cool-headed criminal investigation team captain and a proud, sharp-tongued trace evidence expert.

She once believed she was born to spend her life alone.

Little did she know that his companionship was the best confession of love.