When Harry s sister wins a national essay contest in technology, the whole Moon family is treated to a dream weekend in the ultimate, fully loaded, smart house designed by Marvel Modbot, the Walt Disney of the 21st century. It's an incredible blast, with driverless cars and a virtual reality world. That is, until evil thinking invades the smart technology running the smart house, turning that dream tech weekend into an nightmare! The Moons look to Harry and Rabbit to stop the evil before it's too late.