Episode Description: Beware, spoilers! To read - hover over the text.
Oliver refuses the offer Nyssa and tries to convince Malcolm to give her power over the League in return for a cure for Thea. Malcolm insists that Nyssa is lying, and refuses to agree to such a move. Nyssa agrees, but says that if Malcolm refuses, then she will take them all enemies. Oliver convinces Nyssa to give him a trial of medication to prove her sincerity to Merlin. Seeing that Thea is better, Malcolm agrees to the deal. During the meeting, Malcolm betrays Nyssa and tries to kill her. Oliver, Laurel and Diggle help Nyssa to survive, but take her prisoner. Meanwhile, felicity is trying to accept the fact that her father is the villain in the name of the Calculator. Noah claims that left felicity and her mother to have a normal life. Mother felicity asks her not to trust Noah. Felicity gives Noah a tour of the lab, but then discovers his spy device. She decides to give father to the police. Oliver convinces Malcolm to cause Nyssa to a duel for power over the League. Before the battle, Oliver quoted the old rule, and took a seat Nyssa in battle by right of her husband. Oliver takes over Malcolm, but, instead, cuts off his hand with the ring demon head and disables Malcolm a blow to the head. Exchanging the ring for the cure, Oliver rescues the sister. Realizing his mistake, Nyssa dismisses the League and destroys the ring. Furious, Malcolm meets up with Darkom and tells him about Oliver's son. In the flashback, Reuters takes away from Oliver stone with the necessary symbols.