Hyo-won, who dreams of becoming an actress, runs away from country home with Eun-seo. Hyo-won starts taking acting lessons from leading actor Su-yeon to become a member of the theater company. Eun-seo starts to work at a shabby restaurant when Hyo-won's lesson fee is urgent. Su-yeon teaches Hyo-won. Acting... is about fully understanding and expressing other people's pain. But Hyo-won doesn't understand Eun-seo's pain. The same goes for Eun-seo. Life is full of questions for them.