Episode Description: Beware, spoilers! To read - hover over the text.
Team Arrow hunts for the Australian mercenary Digger Harkness, former member of "Suicide Squad", which is used for killing cleverly made sharp boomerangs. Sam Harkness, in turn, is hunting Lila, an employee of A. R. G. U. S., Diggle's girlfriend, because she tried to resolve Harkness when he served in the "Troop". In this case, Oliver helps Barry Allen became the Flash and his team, who came from Central city. In the flashback Amanda Waller Oliver teaches to conduct interrogations.