The CW has released the official synopsis for the seventh Arrow episode of this season: "Brotherhood."

Team Green Arrow’s ongoing battle with Damien Darhk (Neal McDonough) is complicated by a shocking revelation. Thea’s (Willa Holland) bloodlust returns and she loses control in front of Alex (guest star Parker Young).

Arrow stunt and fight coordinator James Bamford directed the episode written by Speed Weed and Keto Shimizu.

"Brotherhood" episode of Arrow will air Wednesday, November 18 at 8 p.m. ET/PT on The CW.