Complete story — includes the ending
In flashbacks, Reiter dismisses Conklin's accusation of Oliver. Instead, he introduces them to a recent captive named John Constantine, who escapes and forces Oliver to help him locate a mystical object on the island. Afterwards, Constantine warns Oliver to be wary of Reiter's real plans and uses the object to cast a spell on him. In the present, Sara starts killing women and Green Arrow discovers she is alive. The team realizes that Sara is looking for Thea and plans to murder her. They capture Sara and Oliver contacts Constantine, who helps restore Sara's soul. Meanwhile, Darhk gives Quentin a new task to install a computer virus in a security company. Diggle goes along and sees his brother's name among the list of individuals being deleted by the virus. Later, Felicity and Curtis realize that Palmer is still alive and Diggle learns that his brother was killed because he was a drug cartel leader.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, Arrow season 4. HTML formatting and reference markers removed. · Content license