Oliver and Thea are concerned when a family friend plans to run for mayor. Thea starts to exhibit side effects from the Lazarus Pit. Felicity asks an employee for help with a business decision.

Oliver must deal with the devastating consequences of Darhk’s last attack. Seeking revenge, Oliver goes on a brutal manhunt looking for Dahrk.

When Team Arrow learns what Damien Darhk's next move is Felicity realizes she needs to ask her father, Noah Kuttler, for help. Noah and Oliver have a heart to heart talk that leaves Oliver rattled.

Following the shocking events in the previous episode, Oliver and Diggle race to rescue Thea, while Felicity, Curtis and Noah join together to stop Darhk.

A deadly new criminal, Tobias Church, threatens Star City, which forces Oliver to consider forming a new team of superheroes to help him do battle. In flashbacks, Oliver faces off against the Bratva in Russia.