Bridge in Clouds (2016)

When Meng Yan plots with her lover Li Xiaotian to take revenge on her husband Zhang Qing, she adopts a Guman Tong to cast a witchcraft curse. But one night, on the Baiyun Bridge, Meng Yan literally encounters the spirit of her aborted son and tells him a horrifying secret, after which she is controlled by another mysterious power and begins to take maddening revenge on those around her. How exactly to break this mystery becomes a difficult enigma to solve.