Halloween is still two weeks away, but the upcoming episode of "NCIS: New Orleans" is ready to give fans a scare, as it whips up a legendary New Orleans ghost story.

The upcoming episode is titled "Dead Man Calling," and will show the NCIS team working on a case that involves a murder that is eerily familiar. They find out that the case is a copycat murder, with circumstances directly copied from an unsolved crime from 150 years ago.

The unsolved murder was so iconic that it spawned a legendary ghost story in the city, and the team will find themselves attempting to crack a century-old case alongside the recent murder.

The case will also be linked to a recently held séance and a local medium. These events will give Tammy Gregorio (Vanessa Ferlito) the creeps, as the show's crime-solving tilts into the spooky side in the upcoming episode 4.

Last week, the team joined forces with FBI Director Isler to solve the case of a missing Russian operative. The victim's Navy escort was killed when the car they were riding got ran off the road and into the Mississippi river. The missing operative had valuable information, a list of all Russian operatives in U.S.

While working on the case, Gregorio gets partnered with former Russian sleeper agent Eva Azarova (Cassidy Freeman), with whom she previously had a fling. The team seemed to be working together smoothly and it looks like they would be able to find the operative soon.

Unfortunately, in a shocking twist, it was revealed that the operative was actually Azarova's brother, and he came to America to warn her.

The episode was a roller coaster ride, especially for Gregorio. It included a lot of twists and turns that fans have come to love from the show. In the next episode, fans can expect the unexpected, as the upcoming Halloween gives the show a lot of possible twists to work with.

"NCIS: New Orleans" airs every Tuesday at 10 p.m. EDT on CBS.