Mary Margaret goes into labor, and the residents of Storybrooke rally to protect her new baby from Zelena. In the Oz of the past, Glinda tries to convince Zelena to join the good witches as a protector of Oz, but the appearance of Dorothy Gale from Kansas may push her over the edge.moreless
When a "smart home" goes rogue and causes the deaths of its occupants, Det. Kennex and Dorian's investigation forces them to interact with the software hologram character S.A.M.
When an off-duty officer is wounded by bank robbers calling themselves the Royal Flush Gang, Diggle tries to convince Oliver that he must do more than go after the men on his father's list. Meanwhile, Tommy asks Thea for dating advice and Moira demands to know why Oliver keeps disappearing.moreless
While David Robert Jones goes after his next target, Walter visits the Other Side to help the team's counterparts with an investigation into a Fringe case that touches on both worlds.