Kelly Reynolds is used to being No. 1 at American Gold Gymnasts--until Maya Resnikov moves to town. But Maya isn't just Kelly's new competition at the gym, she's Kelly's new stepsister! Right away, sparks fly! Each time Kelly tries to be friendly at home and at school, Maya gives her the cold shoulder. It's no better at the gym--especially after Kelly announces that she hopes to do a back somi beam dismount at the upcoming Atlanta Strawberry Festival Gymnastics Competition. Maya just happens to be planning the same move. Now it's an all-out war! But unless they start to get along, their team doesn't stand a chance of winning the group competition. Maybe that's exactly what somebody wants...