Episode Description: Beware, spoilers! To read - hover over the text.
Several months passed after the Arrow for the third time saved the town and was declared dead. He now lives with felicity. Meanwhile, the remaining defenders of Starling city (now Old city)- Black Canary (Laurel lance), speedy (Thea Quinn) and John Diggle, use is made in the Old labs helmet, face some "ghosts". Laurel and Thea decided to call for help Oliver. Oliver, meanwhile, decided to make an offer hands and hearts felicity, but the arrival of Laura and Thea cancels it. Meanwhile, the city Council comes the man behind "ghosts", and says he will kill all members of the Council. Team Arrow saves only captain lance. When Oliver and felicity arrived in the city, Diggle responded in the negative. Despite this, the team can find a place where you hide "ghosts" and have them ambush, in which Thea takes a nervous breakdown. Team Arrow saw the leader of the "ghosts" uses some power. Felicity thought he was meta-human, but Oliver said it was magic. The next day Oliver tries to talk to sister, but she doesn't want to talk to him, but Captain lance reacts negatively to the return of Oliver. The team learns that the ghosts are going to blow up the train and the station. Oliver wears a new suit, and together with Diplom going to stop the train, while speedy and Black Canary evacuate people from the station. By train Oliver is faced with the leader Ghost and learns that the leader of the ghosts Damian Dark which he told RA's al Ghul. Oliver fights with the villain, and Diggle helps him. Damian Dark leaves, and Diggle and Oliver blow up the train, so he didn't hit the station. Oliver tells the team who is Damian Dark, and randomly gives the Deagle a hint who hired DeSoto to kill his brother Deagle. Oliver in a suit gives an announcement that will protect the city and gives himself a new name: Green arrow. Damian Dark requires from lance, so he helped him. In the flashback it is shown how Amanda Waller hired Oliver for the next job and brought him back to the island where Oliver was once wrecked. In the scene six months later shows how Barry and Oliver are standing over someone's grave.