Night vision, speaking cat language -- overnight Lise realizes she's a kidnimal! Marked with a "K," the middle-schooler can transform… into a cat! In the greatest secrecy, Lise begins to learn to control her new powers with the help of other kidnimals. But inside, she's panicking: how will she ever hide her amazing powers from her family and her best friend? Much less the creepy Vanderkills, a couple working for ill-intentioned scientists who are mercilessly hunting the kidnimals.