Ticket 2008 on netflix

Abandoned as a baby, journalist Yue has only resent for the parents she never knew. While covering a tragic story about a woman and her unborn child, Yue receives news that her foster mother is dying. Her final wish is for Yue to meet her birth mother. With only a train ticket as clue, Yue embarks on a sweeping journey through China to find her mother and the truth behind her abandonment.