Three best friends, Nico, Emma and Tyler are flying their drone when suddenly a bully flies the drone into the cove. Nico who spent his life savings on the drone doesn't hesitate to go after it but the problem is the cove is the scariest part of their town, and no one goes there without making it back alive. After Nico falls into the cove his two friends are forced to find him they eventually do find him but they also find something else abandoned houseboat in the middle of the cove. They have so many questions but they go inside and Emma accidentally falls in a little whirlpool called the darkdeep. But luckily Emma makes it out safe but something strange happens Emma's childhood imaginary friend shows up at the cove, now they're all confused as ever, but they realize that this whirlpool can read minds. They have fun with it until one day they realize the things they conjuring up are becoming more and more realistic and more and more deadly. Now they have a bunch of their nightmares standing in front of them in real life. Read this amazing book to find out how they overcome their fears and protect their town!!