Galvin discovers that something bizarre is happening with the patients that are being brought into the hospital. Maggie gets a clue about how to keep The Source from taking over….
Ra’s sets out to transform Oliver into his perfect heir. Meanwhile, Nyssa and Laurel draw closer, but their mentor/student relationship is threatened when Ra’s sends men to bring his errant…
Ra’s tells Nyssa that she must marry Oliver or face death. Meanwhile, an unexpected ally travels to Starling City to ask Diggle, Felicity, and Laurel to help infiltrate Nanda Parbat….
Oliver and Diggle race to stop the Dark Archer from unleashing his vengeance on The Glades. However, they run into a roadblock after Detective Lance picks up Felicity for questioning….
