In the year 2048, Detective John Kennex, wounded in body and soul, returns to his old police force, but balks when he learns that his new partner is Dorian, a robot. Can he get over his mistrust of Synthetics long enough to solve the crimes plaguing the city?moreless
A new crime lord, the Mayor, arrives in Starling City and starts bring in illegal guns. When Oliver tries to counter with a Cash for Guns event, Black Canary's friend sin is hurt and the female heroine sets out for revenge. Meanwhile, Diggle links up with an old friend and DA Donner asks Laurel out on a date.moreless
Kiera and Carlos's reunion is a bumpy one as they attempt to thwart Liber8's brazen hijacking of a prison transfer. Meanwhile, Kellog approaches Alec with an enticing partnership proposition.
The fate of humanity is on the line as Walter plans to make the ultimate sacrifice to stop the Observers before they were ever created.
While Walter tries to learn more about the mysterious Donald after Michael's revelation, Windmark undertakes his own quest for knowledge.
The team joins forces with Nina to recover a key piece of the plan that Walter created to defeat the Observers.
While Emma discovers that Graham is lying, David Nolan must choose between his wife and Mary Margaret after he falls in love with the latter. Meanwhile, in the fairytale world Prince Charming confronts his destiny.moreless