Damien is a young boy born with Down Syndrome. All his life, he remains tied to the apron strings of his loving mother, Ah Li. Consequently, he is unable to complete daily tasks such as washing himself, learning how to read and write or even secure a job in the future. Unable to conform to the demands of the outside world, society repeatedly shuns mother and son. When a terminal illness numbers the days Ah Li is left with in order to live, Damien must swiftly learn the ropes to become independent through his own devices, so that Ah Li leaves the world for good, she knows that he is able to take care of himself.