Tia once again makes honor roll and Tamera didn't. Tamera overhears Ray and Lisa talking and Ray says how he'd tell the world if Tamera made honor roll. Tamera upset goes on a study mission to try to Ace a test, staying up all night studying and getting hardly any sleep Tamera is unable to remember anything that she studied, and is very tired. Tamera begs Tia to take the test for her, and Tia agrees. After the test Tia is caught when Sarah ask what she's doing in Tamera's class, and too Tia's unknowing the teacher was behind her the entire time. After getting caught Tia and Tamera is sent to the principles office. Sarah tells them that the principle should be calling their house after school, after school Tia and Tamera get home before Ray and Lisa and when the principal calls, Tamera pretends to be Lisa. Will the twins live with the guilt of cheating or will one of them sing like a canary.