Ep 5. League of Assassins

Oliver gets a surprise visit from an old friend, Nyssa al Ghul, daughter of Ra's al Ghul, the leader of the League of Assassins. Nyssa has come to Starling City to warn Oliver of an impending threat from her father and his organization. She has also come to retrieve her sister, Sara, who has been hiding out in Starling City with Oliver and his team.

Oliver is hesitant to believe Nyssa's warnings about her father, who he knows is a dangerous and ruthless man. He also struggles with the decision of whether or not to give up Sara to the League, as he knows it could put her life in danger.

Meanwhile, Laurel is dealing with her own struggles as she tries to move on from Tommy's death and her addiction to painkillers. When she discovers Sara's true identity as the former Canary, she seeks her out for guidance and training.

As the threat from the League of Assassins becomes more imminent, Oliver and his team must work together to protect themselves and stop Ra's al Ghul from carrying out his plans. With Nyssa's help, they discover a shocking link between the League and a prominent member of the Starling City community.

As the tension between Oliver and Sara grows, they must not only confront their own issues but also the dangerous situation they find themselves in.

The League of Assassins proves to be a formidable opponent, testing the limits of Oliver's skills and his loyalty to his team. In the end, a surprising twist leaves the fate of one of the characters hanging in the balance, setting the stage for the rest of the season.