Winner of the New Currents Award at Pusan International Film Festival 2008, the story depicts the daily life of a thirtysomething woman named Ritsuko. She lives with her uncommunicative husband and works at the small factory where she moulds plastic toys. Ritsuko's life is turned on its head by the arrival of a young woman, Chinatsu, at the factory. Ritsuko empathetically teaches work routine to her, and Chinatsu sisterly attaches herself to Ritsuko. However Chinatsu gradually disturbs Ritsuko's mind, and Ritsuko starts expressing negative feelings. . .