Adapted from David Charlotte's controversial stage-winning masterpiece ─ 's shocking love story Blackbird. Una, an underage girl, eloped with her neighbor uncle Lei, and her forbidden love was exposed. Lei immediately went to prison and disappeared after she got out of prison. Una was adamant and could not accept the reality. 15 years later, she finally found Lei who changed her name. In order to unlock the backlog of many years, Wuna insisted on getting involved in Lei's hard-built career, family and new life.