A new generation of Donovan's, cousins Rylie and Colin A new generation of Donovan's, cousins Rylie and discover an amazing and truly unbelievable family legacy. The legacy not only spans centuries but continents and is founded in very old Irish fairies magic. Rylie always believed in fairies and she would be surprised and delighted to know that her beloved treehouse was surrounded by fairy magic.

When the cousins' Uncle, Detective Shawn Donovan, decides to create a junior detective squad, Rylie and Colin and some of their friends jump at the chance to join the squad for the summer. Little did they know that fairies magic just might help them solve some crimes that shock their small coastal town of Shadow Harbor but also changes their lives forever.