Caught between family life and school, Gabby's trials never seem to end ... If she's not dealing with her outrageously embarrassing mother Posy, or helping out with her troubled brothers at home, she's pursuing school hearthrob, Si, and making enemies of friends. Life seems tough enough ... but then her older-than-average mother announces that she's pregnant and Gabby's world turns upside down. At first Gabby is determined to have nothing to do with the unexpected arrival. Then the baby arrives, bringing complete chaos, and Gabby's family start unravelling around her ... Can Gabby's strength and will pull her through her hardest challenge yet?