Cate is shocked to discover that Principal Gibb has hired C.J. as a substitute teacher. When C.J. catches Rory cheating on a test, he is torn about reporting it as Cate tries to persuade him to look the other way. Meanwhile, when Bridget breaks her leg because of Kerry's blunder, she makes her little sister's life a living nightmare.

While Cate finds herself becoming jealous of Principal Ed Gibb's new girlfriend, C.J. is asked by Ed to help tutor Cheryl for her GEDs -- and finds himself unwittingly being hit on by her. Meanwhile, Rory feels awkward after Cate accidentally interrupts him during a private moment.