Follows three young operatives of a Psychic Detection Agency as they battle an epidemic of ghosts in London.

On Halloween, Scott and Amanda plan to get revenge on their bullies by luring them into a supposedly haunted house filled with traps, but soon the house has plans of its own.

"Sammy Baker is a quiet kid who wishes he wasn't so shy and timid. He is frightened but eager to prove he can be brave. On Halloween night, he follows his friends to the Marple House, an abandoned mansion on the other side of town. Just past midnight, he feels a cold tingle at the back of his neck.... Sammy doesn't realize that he has just met The Haunter, and that his nightmares are only just beginning"--

Hank Zipzer has come up with a unique Halloween costume for the parade, but his friends think his idea is a little over the top.

"Lewis Dearborn is a lonely, anxious, "terminally shy" boy of eleven when his great-grandfather passes away and leaves Lewis's family with his decaying seaside mansion. Lewis is initially delighted with his new bedroom, a secluded tower in a remote part of the house. Then he discovers that it's already occupied -- by the ghosts of seven dead pirates. Worse, the ghosts expect him to help them re-take their ship, now restored and on display in a local...

After the tragic death of their father, Emily and Navin move with their mother to the home of her deceased great-grandfather, but the old house proves to be quite dangerous.