A coming of age, romantic comedy revolving around ex-lovers who broke up with a promise never to meet again. But the documentary they filmed ten years ago gets the fame and they are by compulsion facing camera once more.

A coming of age romantic comedy that revolves around Choi Woong (Choi Woo-shik) and Kook Yeon-soo (Kim Da-mi), ex-lovers who broke up with a promise to never meet again. As luck would have it, the documentary they filmed ten years ago in high school went viral and they are forced to face the cameras together again. The series depicts their complicated feelings and growth.—Wikipedia

Years after filming a viral documentary in high school, two bickering ex-lovers get pulled back in front of the camera and into each other's life. Choi Woong seems naive and a free-spirited man, but he wants to have something for the first time in his life. For that, he shows what he holds in his mind. Kook Yeon Soo aimed to become the top student at her school, but she is now an adult who lives fiercely, adapting to her reality.