At day, Connor is trying a new dance move called The Tornado except he messed up and ended up being laughed by the kids. Then, while Connor, Amaya, and Greg are walking back to their school, one of Luna Girl's moths gave the kids an invitation to her party, but they soon become suspicious of her plan and the trio transforms later at night. Luna Girl appears with the speakers and streamers for the party. She states that the PJ masks aren't really guests, but they are victims of her Lunar Dome, and traps them. Luckily, the dome doesn't cover the whole HQ since it's only in a half circle so the PJ masks suggest that digging underground is the only way out. Unfortunately, an embarrassed Catboy thinks of other ideas despite Owlette and Gekko telling him that the Super Tornado is the only key to escaping the dome. When Greg, Connor and Amaya were in the library reading books, Greg found a book about the strongest athletes in the world that won many medals and trophies.