With his power at unimaginable levels, Darhk sets out to regain control of Rubicon.
Facing the threat of nuclear fallout, Felicity decides to reach out to an untrustworthy ally.
Darhk's powers are back and he's decided to take control of Hive's operations.
Felicity isn't dead, but she is in and out of surgery. As you'd expect, Oliver is out for revenge.
Things escalate between Oliver and Darhk and no one is safe.