The story revolves around Bisshaw, a struggling businessman who starts selling herbal products. He gets success but also gets involved in some shady dealings. He develops a formula to become invisible and uses it to his advantage in selling his products. However, he gets caught by the police and arrested.
Two years later, Bisshaw gets out of jail and wants to start his business again. He gets in touch with his old clients and starts selling his products again. He also gets in touch with his old girlfriend, Mou, who is about to get married. Bisshaw tries to win her back and promises to arrange 10 lac taka for her within 45 days.
Bisshaw starts selling his products in bulk and becomes successful. He becomes overconfident and starts to take risks. He decides to sell his last batch of products on the day of Mou's wedding and plans to run away with her.
However, things don't go as planned. Bisshaw gets caught by the police again, and Mou gets married. Bisshaw realizes his mistakes and decides to start his life again.
Throughout the story, Bisshaw's character is shown to be flawed and greedy. He gets involved in shady dealings and takes risks that ultimately lead to his downfall. However, he also shows a softer side when he tries to win back Mou and promises to arrange money for her.
Here are the key facts extracted from the text:
1. Bisshaw is a person who sells herbal products and has a business called Shanghai Product BD.
2. He has a girlfriend named Mou whom he plans to marry.
3. Bisshaw creates a formula to make himself invisible, but it only works if he mixes it properly.
4. He uses this formula to sell his products without being seen by the police.
5. Bisshaw's business is successful, and he is able to earn a lot of money.
6. He uses his earnings to pay off debts and support his family.
7. Mou is getting married to someone else, but Bisshaw is determined to stop the wedding and be with her.
8. Bisshaw's plan is to sell his products and earn enough money to take Mou away with him.
9. He enlists the help of a friend to help him sell his products in bulk.
10. Bisshaw's formula is discovered by the police, and he is arrested.
11. Mou is relieved that Bisshaw was arrested and did not succeed in his plan to take her away.
12. The story takes place over a period of two years, during which Bisshaw's business and personal life undergo significant changes.
Please note that some parts of the text are inaudible or unclear, so these facts may not be comprehensive or entirely accurate.