There are flashes of wit here, and a decent sound-track but for the most part it's a complete non-story. "Cady" (Angourie Rice) arrives as the newbie at the North Shore High School where she is shunned by all but the gay/rebellious combo that is "Damian" (Jaquel Spivey) and "Janis" (Auli'i Caravalho). For a bit of mischief, they decide that "Cady" should infiltrate the trio known as the "Plastics" - dominated by "Regina" (Reneé Rapp) whose leather clad frame has the whole school under her spell. She manages to ingratiate herself with this group of pretty vacuous airheads and report back to her...