Oliver Queen has always cared about Felicity Smoak. Which is why she can be used as the ultimate weapon against him. An old enemy returns to destroy Oliver's life. And he starts with Felicity. How will Oliver react in a life without his girl?

While Oliver is out hunting for a new masked murderer in town, he comes across Felicity's apartment. Taking a break for the night to spend time with her causes problems to spiral out of control until the Arrow comes face to face with an old enemy. Will Felicity survive? Will Oliver be able to get rid of the enemy once and for all?

Oliver, Diggle, and Felicity make their way back to Moscow after Roy is injected with the Mirakuru serum. They have a plan to talk to a scientist about the serum and hopefully get a cure. Their plan goes differently, and so does Oliver's. He planned on staying away from people he could really care about. But is that about to change?