Oliver learns who he's up against, and that Prometheus isn't his only enemy. Meanwhile, Felicity is forced to turn to Helix to get the information she needs to find Susan.

Oliver disbands the team and makes a deal with the Bratva to eliminate Adrian. However, Diggle refuses to accept his friend's decision and Oliver soon finds himself caught between the two sides. Meanwhile, Curtis makes contact with Helix to find Felicity and expose Adrian's true identity to the world.