'Cyrano Agency' with a 100% success rate meets an unpredictable client

The Cyrano Agency helps people who can't date to have a love life. The agency helps the client by moving together as an organization and having secret missions. Their creed is to work in the shade and we don't aim for the sun.

One day, the agency's representative Byeong-hoon (Eom Tae-woong) and his operation agent Min-yeong (Park Sin-hye) meet an unpredictable client Sang-yong (Choi Daniel). He has excellent qualities but he is a failure in dating. He is in love with a lovable woman named Hee-joong (Lee Min-jeong). But when Byeong-hun sees Hee-joong's profile, he begins to worry... Will 'Cyrano Agency' succeed in their mission?