After Oliver (Stephen Amell) is shot, he turns to a surprising person for help - Felicity (Emily Bett Rickards). Diggle (David Ramsey) is stunned when he sees Felicity walk through the front door of the lair dragging a dying Oliver behind her, and the two team up to save Oliver's life. As Oliver (Stephen Amell) hovers between life and death, he flashes back to a seminal event on the island - a daring escape attempt with his new friend Slade Wilson (guest star Manu Bennett).