It tells the story of two childhood friends, Li Yi Mu and Xiong Qi Qi, who were born on the same day in the same town. Xiong Qi Qi is lazy and likes to stay at home, while Li Yi Mu is a serious perfectionist. Despite their contrasting personalities, Li Yi Mu stays by Xiong Qi Qi's side throughout her life, protecting her and guiding her to realize her dreams. Xiong Qi Qi also realizes Li Yi Mu's efforts and decides to reciprocate him with small acts of bravery and warmth.