You're ours, Ben. Now you are. Now you're one of us.

In Sparta, southern Greece, a close-knit team of archaeologists dig for the buried traces of a formidable ancient power. A latecomer, Ben Mercer, finds himself drawn to the brilliance and charisma of the group. But there is more to the team than he understands, and Ben must decide where his loyalties lie before the decision is taken for him.