Santiago is elected by his best friends to infiltrate a girl's slumber party so the group can prank them, but Santiago is entirely convinced that his life will be ruined if he's found out. He has no choice but to go along with it if he wants to keep the only two people who want to be his friend, though. does Santiago, aka Luna, have what it takes to fool these girls, or will his inability to bluff and complete ignorance of what it means to be a girl make him a swift meal for this den of lionesses?