In order to build their dream theater, Lee Byeong-hoon (Uhm Tae-woong) together with Min-yeong (Park Shin-hye), Cheol-bin (Park Cheol-min) and Jae-pil (Jeon Ah-min), set up Cyrano Agency. An agency that can make people fall in love with 100% success.
Their business seems to be successful at first but when came, Sang-yong (Choi Daniel) and asked them to make Kim Hee-joong (Lee Min-jung) fall in love with him. Things get complicated because it turns out that the girl is Lee Byeong-hoon's ex girlfriend. But because they are financially struggling, they accepted the job and thus the start of Lee Byeong-hoon's reminiscing of the past and his trouble to get her ex girlfriend back before she falls in love with their client.
