Once upon a time, upon moving into the run-down Spiderwick Estate with
their mother, twin brothers Jared and Simon Grace, along with their
sister Mallory, find themselves pulled into an alternate world full of
faeries and other creatures. Unable to explain the strange
disappearances and accidents that seem to be happening on a daily
basis, the family blames it all on Jared. When he, Simon and Mallory
investigate what's really going on, they uncover the fantastic truth of
the Spiderwick estate and of the creatures that inhabit it.