What is the ending of the movie "Night Arrival"?

The truth came out that Xu Xue was Wang Yuanyang's daughter. Twenty years ago, Wang Yuanyang and Xu Yiyun were both victims. Xu Hanlin was killed by Xu Xue, not Wang Yuanyang. Finally, after Lin told the truth, Wang Yuanyang committed suicide by jumping off a building.

Night arrival is directed by Xianyang Zhou, written by Yam Tat-wah and played by him. The film tells the story of a policeman and a murderer fighting for survival. Wang Yuanyang, played by Nick Cheung, has something to do with two murders more than 20 years apart. The poor policeman, played by Yam Tat-wah, is responsible for finding evidence to arrest him.

Extended data:

Role introduction

1, Nick Cheung plays the dangerous recidivist Wang Yuanyang. When he was a teenager, he committed murder and was sentenced to 20 years in prison. No one has heard him say a word in 20 years. In prison, everyone called him "the dumb guy". After he got out of prison, he immediately found the family of the former victim.

2. Yam Tat-wah plays the persistent criminal policeman Lin Zhongzheng. Two years ago, his wife committed suicide strangely, but he always suspected that his wife was killed and held a grudge. In this mysterious murder case, Lin, who was obsessed with the truth, personally uncovered a murder case 20 years ago.

3. Played by is a 19-year-old girl who looks like the victim Xu 20 years ago. It turns out that Xu Yiyun and Xu are both daughters of Xu Hanlin, but they didn't know that there was a murdered sister at home.