After tonight's shocking reveal, Adrian Chase took Star City reporter and Oliver's on-again, off-again girlfriend Susan Williams hostage. "Checkmate," the next episode of "Arrow," will reveal Prometheus' true identity to Oliver, who will have to rescue Susan before Prometheus kills her as part of his "game."
In this new promo for "Checkmate," Talia al Ghul comes to Oliver's aid in the current timeline and reveals Prometheus' true name. As the promo reveals, Prometheus believes that he is 10 steps ahead of Oliver and that Oliver will never win because he doesn't even know the game that's being played against him.
According to the episode synopsis,
OLIVER SEEKS THE TRUTH — Oliver (Stephen Amell) gets closer to the truth about Prometheus. Meanwhile, Helix refuses to continue helping Felicity (Emily Bett Rickards) until she does a favor for them. Ken Shane directed the episode written by Beth Schwartz & Sarah Tarkoff. Original airdate 3/15/2017.
Airing Wednesdays at 8 p.m. ET/PT on The CW, “Arrow” stars Stephen Amell, Emily Bett Rickards, David Ramsey, Willa Holland, Paul Blackthorne and Echo Kellum.