While waiting on death row, Jang Jin (Chen Chang) tries to commit suicide in the most bizarre way, using a sharpened toothbrush handle as his main tool. The details of his desperate attempt reach Yeon, a young female sculptor who doesn't know the inmate personally, but feels compelled to seek him out after discovering her husband's betrayal with another woman. A peculiar connection begins to grow between Jang Jin, who has become unable to speak, and Yeon, who becomes obsessed with brightening his cell with wallpaper and trinkets represented in vivid colors.