"The Blacklist" Season 4 Episode 9 would be darker as it was previously reported that there was a mole on Red's team and it could bring Liz's life be in danger. It was speculated that on its upcoming episode, Liz would be working on her own to discover the mole in her team. Meanwhile, it was rumored that Red's Life would be in danger and Mr. Kaplan would be back to get her revenge.

As the news released by Jobs&Hire, it was speculated that Samar Navabi who played by Mozhan Marno could possibly be the mole in Red's team as it was shown in "The Blacklist" Season 4 Episode 9 clip that Harold talked to someone seriously about his/her loyalty. As shown in the video teaser, it was identified that the traitor could be Samar-based on its physical appearance.

According to Ecumenical News, Liz would be working on her own to find out the mole in Red's team in the upcoming episode of "The Blacklist" Season 4 Episode 9. It was previously reported that Liz was very disappointed that one of her friends would become disloyal to the team. Supposedly, she and her teammates should uphold justice and protect the lives of Americans.

On the other hand, there were speculations that the criminal mastermind, Red would be in danger on "The Blacklist" Season 4 Episode 9. As it was reported by IB times that it was hinted on the official Twitter account of "The Blacklist" that something might happen to his character. A GIF was posted on "The Blacklist" twitter account which captioned as "If weren't worried, we are now." Throughout the season, Red's character had been virtually invisible.

Meanwhile, there were speculations online that Susan Blommaert who played Mr. Kaplan's character would be back on set on the upcoming episode of "The Blacklist" Season 4 to get her revenge. On a previous season, it was shown that Red shot her in the chest when the full extent of her betrayal was revealed.