Kim Tae-jeong

Ha Yun-seo learned that Seo Ju-won, her lover of 3 years, is the youngest son of a rich family. She receives money in exchange for breaking up with him. Yun-seo tries everything to break things off but Ju-won doesn't give in.

A cop must work with his mother, the "Mantis" - a female serial killer who murdered 5 men decades ago - when copycat killings emerge. He's hated her his whole life.