Andy and her team of immortal warriors, secretly protecting humanity for centuries, face a new threat. Their existence is exposed, putting a target on their backs. Nile, a newly discovered immortal, joins the group as they fight a shadowy organization that wants to exploit their immortality. The Old Guard is an action-packed story with a fantastical twist. It explores themes of loyalty, the burden of immortality, and the cost of fighting for what you believe in.