Who has seen the movie Crying in Love? Tell me the main thing.

Canadian woman writer Zhou Jing returned to Hong Kong to meet Jiang Wenbin, a male doctor, as her teacher. The male doctor has a neurotic wife and a dumb daughter Ningning, and the walls of the clinic are covered with Chinese characters of unscrupulous doctors. In order to write an article about doctors, Zhou Jing lived in Jiang Wenbin for a period of time. The doctor's wife is neurotic all day, scalding mice with boiling water or scaring them with a knife, and gangsters often go home to intimidate their families. Zhou Jing also often receives blackmail letters. At the time of doubt, Zhou Jing found that Jiang Wenbin was closely related to a changed businessman, whose lover had been spying on her. At first, Zhou Jing thought that everything was done by the rich businessman's lover. Zhou Jing felt that things were strange, so she secretly investigated and found that Jiang Wenbin was not as immoral and dishonest as outsiders said, and gradually became fond of him. Jiang's wife, suffering from schizophrenia, was regarded as a rival in love and was prepared to kill her on a rainy night and was saved by Jiang. Later, Jiang's wife was sent to a mental hospital, ready to immigrate with Jiang's daughter. Later, I accidentally learned from Jiang's daughter Ningning that Ningning was poisoned by Jiang. Entrusted a friend to investigate the background of ginger and found that ginger is not as simple as she knew. He is good at deceiving women's feelings and is very scheming. Decided to leave Jiang. Unexpectedly, Jiang actually killed it. Fortunately, the police who escaped were rescued and Jiang was also captured by the police.