Specialised in abstract art, Hsu Pao-ching is a middle-aged painter who struggles in his career. By chance, he begins giving art lessons in a prison, where he discovers that Chou Cheng-ting, one of the inmates, has great talent for painting. He holds an exhibition of Chou's works, however, as Chou committed random attacks and killed several people, a protest is staged against it. In the end, Hsu gets hurt and the exhibition is withdrawn. Hsu cannot understand why the public cannot appreciate art without prejudice and decides to approach the victims' family. Moreover, Hsu goes to Chou's old family home in search of the inspiration for Chou's paintings.