Criminal Cyrus Vanch is released from prison and his first step is to take down his biggest opponent - Arrow. Meanwhile, Oliver shows Moira his father's notebook, Thea is miserable as she starts her internship with Laurel and Det. Lance makes a deadly mistake that puts Laurel in the crosshairs of Vanch.
"The Odd Couple" follows endearing slob Oscar Madison and uptight neat freak Felix Unger, two former college buddies who become unlikely roommates after the demise of their marriages.
A brutal attack on a young married couple, which leaves the husband dead, stirs up tensions across racial lines.
Ben Garner is about to go from Good Samaritan to murder suspect, after he discovers the body of his neighbor's young son in the woods.
Special Agent Avery Ryan heads the Cyber Crime Division of the FBI. While other agents search for criminals in dark homes and alleys, Ryan searches the “dark net.”