When Kendall asks Marisa, the queen of sniffing out cheaters, to spy on her boyfriend TJ, Marisa soon discovers the girl TJ is falling for is Marisa herself, and the feeling is quickly becoming mutual. When Marisa accidentally caught her best friend's boyfriend making out with another girl, her reputation for sniffing out cheaters spread all over school. Now Marisa finds herself the reluctant queen of busting two-timing boys. When ex-frenemy Kendall asks her to spy on her boyfriend TJ, she discovers the girl TJ might be falling for is Marisa herself. And worse yet? The feelings are quickly becoming mutual. When Marisa discovers secrets about Kendall and TJ, they may hold the answers to an academic cheating scandal.