Lin Shuyue, a talented violinist girl, uses indifference as a shield to hide her heart hurt by family changes; Zhou Jingshen, the proud son of the computer science department, appears to be a sunshine school boy, but actually carries the secret of family expectations. An unexpected mistake in dormitory assignment forces two people with very different personalities to become "roommates." From mutual dislike to slowly getting closer, two lonely hearts played the most touching movement in the melody of youth - it turns out that the most healing thing is meeting each other.