In the present, Oliver and Diggle scour Hong Kong for a scientist the Monitor wants, and are joined by Tatsu, Laurel, and Lyla. In 2040, Zoe leads Connor and Mia to a bar where they believe JJ is going.

Present and future become one as Mia, William, and Connor meet the original Team Arrow. The two teams join forces to stop the newest Deathstroke from terrorizing Star City.