Episode Description: Beware, spoilers! To read - hover over the text.
Merlyn as the Dark Archer destroys an entire research Department of the company, which was engaged in the invention of samostroya for the project "Enterprise" to cover all traces of the connection of this project with their firm. Oliver and Diggle put into effect a plan under which the mother of Oliver confesses in connection with the project "Enterprise" and open the project. Meanwhile, Walter filed for divorce, Thea and Roy are trying hard to find Hood for their own purposes, and later Laurel and Oliver finally reveal all the cards in a personal relationship