Once a successful photographer, Niu Yi is shattered when his lover, Tian Niu, leaves the country and ends their relationship. Unable to let go, he uses the "Valentine's gift" she once gave him - her own cells - to create Meng Niu, a cloned substitute meant to fill the emptiness she left behind.As grief turns into addiction, Niu Yi falls deeper into drug dependency. At a cloning rehab center, Dr. Wang creates another clone, Niu C, intending to replace Niu Yi's drug-damaged brain thr...