Despite their opposing personalities, a talented but directionless P.I. who is the black sheep of his family begrudgingly agrees to work as the in-house investigator for his overbearing mother, a successful attorney reeling from the recent dissolution of her marriage.
The coming-of-age story of the Grace Family, as they move from New York to Michigan and into their family's ancestral home. Upon arrival, the family not only uncovers mysteries hidden inside their great grandfather's Spiderwick Estate, but also discovers a secret, fantastical world around them.