As Jackie and Danny arrive at the isolated cabin for their therapy retreat, they quickly realize that things are not as they seem. Amityville Couples Counselor Frank Domonico has a dark and twisted agenda, using psychological manipulation and mind games to break down the couple even further.
As they delve deeper into their memories and emotions, Jackie and Danny start to uncover buried traumas and secrets that have been plaguing their relationship for years. But as they begin to make progress, they also start to unravel Frank's true intentions and the sinister forces at play in the cabin.
As tensions rise and the couple's mental state becomes more fragile, they must fight to break free from Frank's grasp and confront their own demons before it's too late. Will Jackie and Danny be able to overcome their struggles and save their marriage, or will they fall prey to the dark forces lurking in the shadows of the cabin? The chilling climax of Amityville Thanksgiving will leave viewers questioning the limits of therapy and the true nature of evil.