Complete story — includes the ending
In flashbacks to 2012, Oliver and Diggle track and imprison human trafficker John Byrne, a man on Oliver's list. A flashback to 2014 depicts Oliver stopping Slade Wilson from killing his mother. In 2040, a time-traveling Sara invites Mia to Oliver's funeral. In the present following Oliver's sacrifice while averting the Crisis, Byrne abducts the younger William. Felicity Smoak and Rory Regan return to assist in the search. Amidst said search, Roy proposes to Thea, who accepts. Mia rescues William, spares Byrne, and has him arrested. Diggle and Lyla agree to move to Metropolis, Dinah declines a promotion, and Rene continues being a mayoral candidate. Oliver's friends and family host a private funeral for him, with a revived Tommy, Moira, Quentin, and Emiko also attending. Emiko meets Thea and Moira for the first time and is welcomed to the family. Tommy reveals to Laurel he was married to her Earth-Prime counterpart in this timeline. Felicity meets the future Mia. Later, Diggle witnesses a meteor crash and finds a box containing an object emitting a green light. In 2040, the Monitor takes Felicity to be with Oliver in a "paradise dimension" where he has finally found peace.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, Arrow season 8. HTML formatting and reference markers removed. · Content license