Casey is the nerd of the school she is ugly and on her free time she just studies, she never parties, drinks, or anything like that. At least that's what people think. Casey is really an undercover spy, her real name is Ashley and she is very beautiful. She works for a small corporation called the O.S.S that is run by her uncle, Jerry. Ashley is undercover at the school because she has to be unnoticed but at the same time protect the school because one of the worst gangs is attacking it, but at least she has her best friends Sam and Alex who are both agents too. Join Ashley on her adventures as Casey in, Undercover Nerd Or Spy?

TNTA aka The Nerf Training Academy is to train kids to become Nerf heroes. TNTA is THE most elite boarding school in the world, but only a few get to go. There are lots of Nerf teams including, the Nerf rebelle team and the Nerf zombie hunter team. So when a girl named cleo, starts at TNTA she's in for a big surprise because who said teammates had to be friends ?