Seo Ji Sung is a programmer of the AI smart home appliance development team. One day, she accidentally develops an AI program called Cho Sang Shin, which will identify trashy humans, and she uses it to save people who are in difficult relationships. Jung Kook Hee is a firefighter who doesn't use social media. He is the one and only person that Cho Sang Shin is unable to analyze.

Genres

Cast

Song Ha-yoon

Seo Ji-Sung

Lee Jun-young

Jung Kook-Hee

Yoon Bo-mi

Moon Ye-Seul

Gong Min-jeung

Tak Ki-Hyun

Joo Woo-jae

Han Yoo-Jin

Nam Min-woo

Ok Dong-Jin

Kim Gi-ri

Jegal Soo-Won

Lee Si-hoon

Bang Jung-Han

Park Han-sol

Byun Ha-ri

Kim Moon-chan

Kim Moon Chan