Oliver Queen will be betrayed by a longtime ally ahead of the Crisis. 1 / 8
The CW has released the official synopsis for Arrow Season 8's sixth episode. 2 / 8
Titled "Reset," the episode sees Oliver betrayed by Layla Michaels for unknown reasons. 3 / 8
The character is the leader of A.R.G.U.S. and the wife of John Diggle. 4 / 8
Arrow's David Ramsey also directs the upcoming episode. 5 / 8
The betrayal places Oliver in a life-or-death, yet familiar, situation. 6 / 8
Meanwhile, Laurel Lance has an opportunity for her own redemption. 7 / 8
It is unknown if the Lyla that betrays Oliver is from his world or Harbinger. 8 / 8