When Lizzie's pregnancy forces her to drop out of high school and the marching band, Lizzie looks to her boyfriend Skylar for support...until she discovers he hasn't always been faithful.

Kailyn's mom left her pregnant daughter to move in with her boyfriend, forcing Kailyn to move in with her immature boyfriend and his family. Lost, she reaches out to the father she's never known for help.

Tomboy Brooke spends all her free time tuning up cars and driving on racetracks. However, with a baby on the way, Brooke and husband Cody work to balance life as high school students while trying to move into their own place.