Misty Fairchild and the Heart of Alignment

Misty and her twin Melody escape an underground government facility where they and other psychic twins have been experimented on for the last five years. On the road, they meet Adam Rowan, his little brother Dylan and cousin Jeremy, who agree to help the girls unite with their family. After the girls are recaptured by Jason Campbell and the Lee twins, Adam and his new friends set out to rescue them. What is the secret behind Misty and Adam's connection? What is the mysterious Mentor's real plan for Misty and what is he hiding miles below the earth's surface?