Mason Templar knows their secret and about the formula Toni made. Mason wants the formula and he'll do whatever it takes to get it. Toni and Mika have Jackson and Chris, but Mason is psychic too. They know they will have to be careful.This series just seems to keep getting better. I really like Chris and Jackson, as well as Toni and Mika. I know Mr. Kageura was the bad guy in the first two books, but in this book he seems to turn into a more likeable character. He can be really funny and definitely weird at times. And talk about ending on a cliffhanger! I'll have to see if the library has the next volume.