The Glades Exclusive Sneak Peek: Is the Killer a Ghost?!

Will Callie accept Jim's proposal?

We won't know her immediate response yet when Season 4 of The Glades premieres Monday (9/8c, A&E) — Callie (Kiele Sanchez) needs to think it over — but Jim's (Matt Passmore) new case is bizarre enough to take his mind off of her indecision a bit. After an heiress' body is found in a plantation house, Daniel (Jordan Wall) realizes that the description of the culprit sounds awfully familiar.

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"That's Martha Cooley and she's been dead for over 150 years," he says, as seen in our exclusive sneak peek below. But is the house really haunted? Jim later returns to the scene of the crime to, um, interrogate Martha. Season 4 of The Glades premieres Monday at 9/8c on A&E.