Baalveer and Vivaan are trying to keep an eye on the enemies from Shinkai by installing spy cameras around Bharat Nagar. Meanwhile, Ray and Lady Birba are planning to destroy Bharat Nagar using magical marbles that will explode when stepped on. They disguise the marbles as mosquitoes and spread them around the city. Baalveer and Vivaan discover that one of their cameras is missing and start to investigate. They soon realize that the mosquitoes are actually landmines and that many people in Bharat Nagar, including Baalveer's family, have stepped on them and are in danger of being blown up. Baalveer and Vivaan try to come up with a plan to save everyone, but they are hindered by the fact that they no longer have their magical powers. Ray reveals himself and taunts Baalveer and Vivaan, saying that they are trapped and can't do anything to stop him.
Here are the key facts extracted from the text:
1. Two brothers have ordered spy cameras disguised as buttons to keep an eye on their enemies from Shinkai.
2. The brothers' parcels were exchanged, and they initially thought they had received the wrong items.
3. The brothers' mother is learning how to stitch, and they had ordered ordinary buttons for her.
4. The brothers are planning to install the spy cameras in Bharat Nagar to monitor their enemies.
5. Lady Birba and her accomplices are planning to lay landmines in Bharat Nagar, disguised as mosquitoes.
6. The landmines are designed to explode when someone steps on them.
7. The brothers have installed spy cameras in Bharat Nagar, but one of the cameras is missing.
8. The brothers suspect that something is wrong and decide to check the situation practically.
9. The people of Bharat Nagar have stepped on the landmines, including the brothers' mother.
10. The brothers are trying to find a way to defuse the situation and save their mother and the other people.
11. Ray, the villain, is planning to blackmail the brothers and use the landmines to his advantage.
12. The brothers are trying to come up with a plan to stop Ray and save the people of Bharat Nagar.
13. Ray has set a trap for the brothers and is waiting for them to fall into it.
14. The brothers are trying to stay calm and come up with a plan to defeat Ray and save the day.