How would you act if part of your personality was stolen with a brain-sucking machine?Lester Smythe has a black heart. He's invented a dangerous brain sucking machine that removes the goodness from its victims, and he intends to use it to rid the world of all human kindness. But Lester didn't count on thirteen-year-old Callum McCullock and his two best friends, Sophie and Jinx. The trio vow to destroy the brain sucker. And nothing will stop them.