Oliver returns to Starling City on Earth-2, where he encounters familiar faces while trying to decipher the Monitor’s mission. Meanwhile, Mia and William’s team clash with a new foe.

The pressure mounts for Oliver who begins to wonder if he will lose everything in his battle to save Star City. A familiar face returns.

Malcolm puts Oliver and Thea in a dangerous situation that lands them on Lian Yu with Oliver’s former enemy Deathstroke. In a flashback, Oliver and Maseo return to Starling City…

A mysterious archer known as Komodo appears in town and begins skewering businessmen. Meanwhile, Oliver worries about Thea, which forces Roy to tell him the truth about why she left…

After covering from a near-fatal drug overdose, Oliver begins hallucinating people from his past. Believing he’s a liability, Oliver gives the information he has on Cyrus Gold to Quentin… which…