Damon is set to make a pact with an evil force in "The Vampire Diaries" season 7 episode 20.

"The Vampire Diaries" season 7 episode 20 is entitled "Kill "Em All." According to Spoilers Guide, Damon is going to make a fateful choice that will change his dynamics with Bonnie forever. As per the publication, Bonnie's life is in danger, not to mention that they are going to face a tough battle.

The publication mentioned that episode 20 will see Damon and Enzo take the charge to rescue Bonnie before her condition becomes worse. On the other hand, Stefan is hesitant to work hand in hand with Matt, but he does so for Bonnie's sake. Also, the episode will let Stefan know how angry Matt is.

The episode will also see Caroline join Alaric on a mission, since she is eager to help save her best friend. In line with this, she reflects that she has missed her previous way of life as a supernatural. In the end, the heroes' plan is not meant to be smooth sailing.

In "The Vampire Diaries" season 7 episode 19, entiled "Somebody That I Used to Know," fans saw the team work hand in hand with Rayna to save Bonnie's life. As per Spoilers Guide, Enzo's actions to rescue Bonnie just put the life of the latter in peril, as per Spoilers Guide.

With this, they discovered that Rayna might have the solution towards her survival. This results to Enzo and Bonnie hesitantly teaming up with Damon, who was really eager to save the latter's life and rekindle their friendship. Meanwhile, Stefan traveled to Dallas and met Alaric. Conflicts rose up, forcing them to face the aftermath of Stefan's absence in Caroline's life.

"The Vampire Diaries" season 7 episode 19, "Somebody That I Used to Know" aired on Apr. 22 while episode 20, "Kill "Em All," is set to air on Apr. 29.