After a series of alarming occurrences befall a wealthy philanthropist, the TAU investigates her beleaguered ex-husband and his much younger girlfriend. Meanwhile, Amanda threatens to reveal Jack's dark past.
A wealthy philanthropist enlists the TAU to investigate her angry ex-husband for tormenting her. Meanwhile, Amanda (ELISABETH ROHM) threatens to reveal Jack's dark past.
Lance calls the Arrow when another archer appears in town and starts skewering businessmen. Diggle uses A.R.G.U.S. to find the archer's identity; he is a man named Simon Lacroix (guest star Matt Ward), who goes by the codename Komodo. However, the team hits a rough patch with the mission and gets help from a surprising source – Laurel. Meanwhile, Oliver begins to worry that he hasn't heard from Thea, which forces Roy to tell him the truth about why she left Starling City. Ray Palmer pursues Felicity. In the flashback, Maseo Yamashiro (recurring guest star Karl Yune) tells Oliver that Amanda Waller has ordered his first kill. As Oliver looks down the scope of the rifle, he sees the target is his best friend, Tommy (former series star Colin Donnell). Despite her promise to her sister, Laurel debates sharing a secret about Sara (recurring guest star Caity Lotz) with Lance.
Lance calls on the Arrow, when another archer appears in town, who goes by the name Komodo (guest star MATT WARD). COLIN DONNELL also returns as Tommy Merlyn in a flashback.
Don has a visitor from his past. Stan embarrasses a superior. Peggy helps Ginsberg with a problem. Harry finds that he has a new ally at the agency.
Deathstroke hits Oliver at home. Oliver, Canary, Diggle and Felicity return to the lair and find Slade waiting for them. An epic battle breaks out and one member of Team Arrow is sent to the hospital. Thea hits her breaking point, but just as Oliver is about to reach her, Slade intervenes and Oliver is faced with a choice – his battle with Slade or his family. Meanwhile, Laurel struggles with a new secret.
Oliver and the team return to the lair and find Slade waiting for them. An epic battle breaks out and Oliver is faced with a choice - his battle with Slade or his family.
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