It's been a hard 3 months for Lydia after losing her sister Laurel. After basically both Diggle and Thea leaving Team Arrow, it's just been Lydia and Oliver taking down the bad guys. So when Lydia suggests Oliver recruit a few people to be apart of the team, Oliver's very against it, but soon warms up to the idea. Lydia moved on from Oliver, and she's currently dating a detective, when her new boyfriend starts slightly getting suspicious of her other job, Lydia tries to protect him from her vigilance life, but there's something that gets in the way of Lydia's plans, so when she comes clean to her boyfriend, he's worried about her safety. No matter how many times Lydia has reassured him, he can't help himself to be worried, so what happens when the Team Arrow's new big bad comes and ruins not only Lydia's life, but Oliver's as well. As Lydia reaches her breaking point, someone that's supposed to be dead, comes back into her life only making Lydia question everything she believes in. As Lydia struggles with being Overwatch, she becomes someone that Oliver wishes Lydia didn't have to be. Himself. But Lydia will do anything to take down Prometheus, even working against her team.