Duncan Ollerenshaw

Upon discovering Cora and Regina's plan to find and take possession of Rumpelstiltskin's dagger, Mary Margaret, with the aid of David and Mother Superior, makes it her mission to find it first.

Dangerous threats keep Michael and Lincoln fighting to protect Sara and Mike. Poseidon's attempts to outsmart Michael and the rest of the gang lead them to the ultimate showdown.

As Michael, Lincoln and the remaining Ogygia gang try to escape Yemen, they find themselves racing through the desert from a vengeful Cyclops.

An angry resident of The Glades who calls himself "The Savior" (guest star Christopher Redman) embarks on a kidnapping and killing spree to punish those he believes have wronged the residents of his neighborhood. To make things worse, he broadcasts these murders online and claims he was inspired by Arrow's vigilantism. Oliver is horrified by this statement and vows to stop "The Savior," but his manhunt in intensified after Thea comes to him in tears and tells him Roy has been kidnapped. Laurel is surprised when her father starts to believe her mother's claim that Sara is still alive. Meanwhile, Malcolm tells Moira to find the person responsible for his attempted murder.