Melvin, a member of the Spy Ninjas, has quit the group. The remaining members are upset and trying to come to terms with his departure. Meanwhile, they discover a mysterious girl, named Petalita, who has been living underneath their safehouse. They try to get to know her and figure out her intentions, using a lie detector test to uncover the truth. As they spend more time with Petalita, they start to bond with her and even form a new band to create a song about losing a friend, with the hope that Melvin will hear it and return to the group.
Here are the key facts extracted from the text:
1. The Spy Ninjas are dealing with the loss of a member, Melvin.
2. A mysterious girl has been living underneath the Spy Ninjas' safehouse.
3. The girl is revealed to be a skilled martial artist.
4. She has been spying on the Spy Ninjas and has been sneaking around their safehouse.
5. The girl wants to go to the "Pyramid", which is the headquarters of the Projects.
6. Daniel is struggling to come to terms with Melvin's departure and is not thinking clearly.
7. The Spy Ninjas are trying to determine the girl's identity and intentions using a lie detector test.
8. The lie detector test reveals that the girl's name is "Parinita".
9. The girl does not remember how she got underneath the safehouse.
10. The Spy Ninjas decide to leave the girl at the safehouse while they go out to find Melvin.
11. The Spy Ninjas make a song about losing Melvin, with the hope that he will see it and return to the team.
12. The mysterious girl is not good at playing the drums and is off-rhythm.
13. The Spy Ninjas are considering forming a new band without Melvin.