"Instagram-famous triplets Cecily, Amber, and Rudy--the children of home renovation superstars--are ready for a perfect summer. They've just moved into the site of their parents' latest renovation project when they begin to receive chilling messages from someone called The Follower. It soon becomes clear that this anonymous threat is more than a simple Internet troll, and he can't wait to shatter the Cole family's perfect veneer and take back what's his"--