S1, E7: The Huntress rides into Starling City and heats things up with Oliver. When Oliver encounters a mysterious woman, Helena Bertinelli (guest star Jessica DeGouw), daughter of mob boss Frank Bertinelli (guest star Jeffrey Nordling), he feels he can finally be himself -- but soon comes to realize she's hiding dangerous secrets of her own. Helena is on her own personal mission of vengeance and Oliver is caught in the middle. Meanwhile, Tommy is blindsided by an unfortunate turn of events and turns to Laurel for support.