Mackenzie Lennox is the eldest daughter of Major William Lennox. Major Lennox runs the Autobots N.E.S.T. team. When Mackenzie comes home from the University of Nevada, she meets her father's newest recruits and even finds her true car love in the GMC TopKick. When Mackenzie meets Ron Edih, the "guardian" of her family, she realizes that he may not be the douchebag he's made out to be.