"In the two years since his mother was killed in an automobile crash, Colin has been anticipating further disasters, writing down what to do in the event of an avalanche or mentally practicing the Heimlich maneuver just in case--but the real trouble is that his mathematician father is obsessed with a classic math problem and has a hoarding problems that is spiraling out of control, leaving Colin desperate to hide this chaos from his friends and everyone...

Five children who are the offspring of supernatural criminals and who have special abilities of their own leave their isolated tropical home and head to the city of Estero, where they hope to find their parents and the treasure they hid years ago.