Xia Ran, who is slightly fat and has ordinary facial features, has just entered the life of a doctoral student, and her daily life is occupied by laboratories and papers. At her mother's insistence, she reluctantly agreed to a blind date and unexpectedly met Zhou Yan, a handsome and warm engineer. The two went from strangers to familiarity. With Zhou Yan's encouragement, Xia Ran gradually got rid of her inferiority complex and discovered her own unique charm. This relationship not only allowed her to experience the sweetness of her heart, but also prompted her to re-examine herself and start a journey of self-growth and love.