A possible concise summary is:
The text is a transcript of a video that tells the story of a group of students who try to help a poor boy named Leo, who needs money for his brother's heart surgery. However, they are deceived by a gangster named Tran, who hires another boy to pretend to be Leo and scam them. The students find out the truth and confront Tran, who agrees to pay them back. They also realize that they should do good deeds for the right reasons, not for fame or praise. Leo, who works part-time at a beef noodle shop, is grateful for their support and friendship.
Here are the key facts extracted from the text:
1. The text is a transcript of a video that tells a story about a group of students who try to help a poor boy named Leo, but end up being scammed by a gangster named Tran.
2. Leo's family used to be rich, but his father died, his mother became a gambler and ran away, and his youngest brother needs heart surgery.
3. The students raise money for Leo by organizing a donation campaign at their school, but they don't research his background carefully and fall for Tran's trick.
4. Tran hires another boy to pretend to be poor and needy, and then takes the money from Leo and the students to spend on gambling and partying.
5. The students find out the truth when they see a video of Tran and the fake poor boy celebrating with their money, and they confront them at their hideout.
6. The students are angry and disappointed, and they blame themselves and each other for being greedy and naive.
7. Leo feels guilty and ashamed, and he decides to work part-time at a beef noodle shop to pay back the money he owes to the students.