After Laurel's death and the departures of both Diggle and Thea from Team Arrow, Oliver takes to the streets solo to protect Star City's citizens as the Green Arrow.
Oliver recruits Curtis, Wild Dog and Evelyn Sharp for his team, but his training methods prove to be too much for some to handle. In flashbacks, Oliver continues his initiation into the Bratva.
Oliver and Lyla team up on a secret mission for Diggle. Felicity finds out and disapproves of the plan and opts to stay behind. When Tobias Church launches a deadly assault against the city, Felicity must decide if she wants to send the recruits out sans the Green Arrow.
When Tobias Church captures and tortures one of Oliver's new recruits, Oliver must turn to an old friend, Christopher Chance AKA the Human Target, for help. Meanwhile, Felicity's worlds collide when Detective Malone joins the ACU.
Oliver discovers there's a new vigilante in Star City when the bodies of two criminals are dropped at the SCPD. In flashbacks, Oliver faces Konstantin Kovar.
Oliver wakes up to a life in which his parents are alive and he is about to marry Laurel; Felicity faces a new threat with the help of The Flash and Supergirl.
After an attack on Curtis, Oliver realizes Prometheus is planning to make a deadly move on all of Team Arrow; Felicity and Malone find a clue that ties Prometheus to Oliver's past.
Worried that Prometheus may be right about him being a killer, Oliver finds a ray of hope in the apparent return of Laurel. Felicity swears revenge against Prometheus for causing Malone's death.
Oliver, Team Arrow, ARGUS and the SCPD kick off a citywide manhunt for Adrian Chase. Helix tells Felicity they have a way to find Chase but they will need something big, and illegal, from her in return.
Oliver faces the forced release of criminals prosecuted by Adrian Chase, while a crate is delivered to Oliver's office containing a corpse in concrete.
Black Siren returns to give Chase help; Felicity plans a birthday party for Oliver; Lance is angry with Rene for missing the custody hearing about his daughter.