As a new Mat Mom of the Pioneer Middle School (PMS) Wrestling team, Jen Dixon finds herself thrown in the middle of the "guerrilla war against so-called perfect mothers," armed only with her cutting wit and acerbic sense of humor. Handling a whole host of new challenges, from the dreaded seventh-grade science fair to a school fundraiser (again!), Jen faces the somewhat-terrifying new social dynamics of the wrestling moms with her trademark combination of reluctance and exceptional delivery.