Hart has been accused of using "Under the Mat" as a way to express the "dirty secrets" of the Hart family and friends. Hart elaborates on negative details related to several people including Dynamite Kid, Bret Hart, Martha Hart, Andrea Hart and Davey Boy Smith. People like Dynamite Kid, Ben Bassarab, Davey Boy Smith and Bret are in the book accused of several occasions of criminal activity. Hart has especially been accused of trying to discredit her brother Bret Hart and attempting to portray him as an obsessive egomaniac.