This is a possible concise summary:
A man named Darong works as a sniper for a drug lord named Gela in Thailand. He survives a bullet wound thanks to a coin given by his daughter Qiqi. He decides to quit his job and leave with Qiqi, but he gets involved in one last drug delivery that goes wrong. The package contains a new drug that is highly valuable and sought after by many parties. Qiqi is kidnapped by Gela's rival, who demands the package in exchange for her life. Darong teams up with Saiban, Qiqi's boyfriend and the delivery boy, to rescue her. They also get help from Mr. Liang, a Chinese noodle shop owner who looks after them. Darong manages to save Qiqi, but Mr. Liang dies in the process. Darong then goes back to confront Gela and his men, while Qiqi and Saiban escape. Darong kills Gela and his sniper partner, who turns out to be Knight, his former colleague who betrayed him eight years ago. Darong then surrenders to the police and provides information to bust the drug ring. He is sentenced to 12 years in prison.
Here are the key facts extracted from the text:
1. The story takes place in Thailand, specifically in the Golden Triangle and Mae Hong Son Province.
2. The main character, Darong, is a former bodyguard who has been hiding in Thailand for many years.
3. Darong has a daughter named Qiqi, who is now grown up and wants to leave Thailand with her father.
4. Qiqi gets involved with a group of delinquents who are involved in the drug trade.
5. Darong tries to rescue Qiqi from the delinquents and their leader, Mr. Gela.
6. Mr. Gela is a powerful drug lord who will stop at nothing to get what he wants.
7. Darong and Qiqi are pursued by Mr. Gela's henchmen and the police.
8. Darong teams up with a man named Saiban to take down Mr. Gela and his gang.
9. Darong and Saiban engage in a series of intense battles with Mr. Gela's henchmen.
10. Qiqi is kidnapped by Mr. Gela and used as leverage to get Darong to hand over a valuable package.
11. Darong and Saiban launch a final attack on Mr. Gela's hideout to rescue Qiqi.
12. Mr. Liang, a kind-hearted noodle shop owner, helps Darong and Qiqi in their time of need.
13. Mr. Liang is killed in the final battle, and Darong is filled with regret and guilt.
14. Darong turns himself in to the police and provides information that helps them take down Mr. Gela's drug ring.
15. Darong receives a 12-year prison sentence for his past wrongdoings.