Spooksville.  That's what the kids call it.  Because scary things happen here.  Supernatural things.  And not all monsters wait till the sun goes down . . .
Did Neil drown?  Or was he kidnapped by a ghost, like his sister says?  Nobody believes Cindy - except Sally.  She knows ghosts are a dime a dozen in Spooksville.  And she is determined to rescue Neil - with a little help from Adam and Watch.
But this is a nasty old ghost.  And she'd not going to give up the little boy without a fight . . .