Ep 13. Sins of the Father

Oliver's past sins come back to haunt him when Nyssa al Ghul returns to Star City to demand that he make good on his promise to kill her father, Ra's al Ghul. Meanwhile, Diggle and Lyla brace themselves for the arrival of their baby, while Felicity and Curtis try to uncover a way to stop Darhk's magic. As tensions rise, Oliver must once again navigate his loyalties and decide whether to honor a vow made in the past or protect the innocent lives at stake in the present. With the fate of Star City on the line, will the Green Arrow choose the right path, or will his past sins prove too heavy a burden to bear?