Here is a possible concise summary:
The Spy Ninjas are challenged by Melvin and his hackers to build a boat and last to float in their pool. Melvin promises to reveal information about the briefcase and let Regina see them if they win. The Spy Ninjas build a couch boat while the hackers build a lounge boat. Both boats manage to float with three passengers, but sink with four. The challenge ends in a tie and Melvin leaves with Regina and his hackers. Vee notices that a hacker went inside their safe house and stole their hacker gear and Regina's belongings. Daniel is angry and sad about losing Regina.
Here are some possible facts extracted from the text:
1. The text is a transcript of a video where the Spy Ninjas and the Project Zorgo hackers compete in a boat building challenge.
2. The challenge is to build a boat out of household items and make it float across the pool with passengers on board.
3. The Spy Ninjas are Chad, Vy, Daniel and Ally, and the Project Zorgo hackers are Melvin, PZ9, PZ111 and PZ45.
4. Regina, who used to be a Spy Ninja, left the group to join her brother Melvin in Project Zorgo.
5. Daniel is upset because Regina was his girlfriend and he saw her with another hacker, PZ111.
6. The Spy Ninjas and the Project Zorgo hackers both manage to make their boats float with three passengers, but they both sink with four passengers, resulting in a tie.
7. PZ9 claims to have information about a briefcase, a big boss and his plans to ruin the Spy Ninjas' tour, but he doesn't reveal anything because of the tie.
8. Ally suspects that there is a hacker inside the Spy Ninjas' safe house who stole their hacker gear and Regina's belongings.