Complete story — includes the ending
Oliver assigns Roy to track a woman who inadvertently tries to be a vigilante; she helps him escape the police through her connection to a woman named Cindy. Quentin learns that the serial killer Barton Mathis, whom he arrested years earlier, escaped from prison during the earthquake and is on a killing spree again. Believing the vigilante's claims that he's changed, Quentin enlists his help. The team discovers the link between all of the victims. Oliver learns that Mathis has abducted Quentin and Laurel, planning to kill the latter. Oliver saves them right before the female vigilante shows up and murders Mathis. Oliver believes that she has a personal connection with him. Laurel decides that she must blame herself instead of the vigilante for Tommy's death. The District Attorney announces his intention to seek the death penalty for Moira. She tells her lawyer not to fight it, since she had connections with Malcolm Merlyn that she does not want revealed to her children. The female vigilante murders an operative of Ra's al Ghul, her former master. In flashbacks to the island, a ship starts bombarding Oliver and Slade. Oliver finds himself imprisoned with other inmates on a ship called the Amazo.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, Arrow season 2. HTML formatting and reference markers removed. · Content license