Single mother Marielle Brandt has inherited the decrepit old apartment building known as Farnum's Castle, once the home of a notorious gangster. It's filled with a number of quirky residents, including Simon Zabriskie, a late night disc jockey with his own dark secrets.

As Halloween approaches, things start to go bump in the night, mysterious intruders abound, and no one knows if it's the ghost of old Farnum himself or someone a little more contemporary out to sabotage the castle.

Marielle only knows she's falling in love with the grumpy hermit who lives on the top floor, and suspects that despite his best efforts, he's falling for her too. Now if they could just survive Halloween....