Introverted girl Su Yu noticed Jiang Mao, a low-school student, during military training, and became interested in Jiang Tan at first sight. Jiang Tan gradually fell in love with this girl who seemed timid but brave at heart as she spent time with Su Yu day and night. Misunderstanding and low self-esteem caused the relationship to move back, but it was solved after the college entrance examination. He understood the throbbing in her diary, and she discovered the thoughts in his paintings. The sycamore tree witnessed youth and closely linked them together.
Concept: There is youthful ignorance and hard work for dreams.
