Episode Description: Beware, spoilers! To read - hover over the text.
Seemingly impossible theft in the applied Sciences division of Queen consolidated leading to the city police CSI Central city, Barry Allen. Referring to the fact that in his hometown there is a similar case, Barry offers assistance in the investigation. Oliver realizes that Barry is not as simple as it seems, but distracted by the similarities between the case company and what happened on the island. Meanwhile, felicity begins to sympathize with Barry, that did not escape the attention of Oliver. Sin asks Roy to help find her friend. Roy is surprised that Thea not only endorses the fact that he wants to help, but joins the search.