Oliver turns to old friend Christopher Chance, aka the Human Target, for help when Tobias Church captures and tortures one of Oliver's new recruits. Meanwhile, Felicity's worlds collide when Det. Malone joins the ACU.
Oliver makes a bold move against HIVE when the city is attacked. Meanwhile, Malcolm checks in on Thea and leaves her with a warning; and things take a horrible turn when Damien Darhk retaliates in a brutal manner at Oliver's mayoral holiday party.