A painting is cut into pieces during a campus painting and calligraphy contest. The evidence at the scene all points to Zhang Guiyu, a classmate of the artist. Wang Tiantian is entrusted anonymously, help Zhang Guiyu defend, but Zhang Guiyu is silent to this however. In the process of defense, Wang Tiantian found that not only these evidence has quite a lot of doubts, but also behind the destroyed paintings seems to hide another truth...