Theta Corps – the complete box set 1 – Restitution This spy has fallen for the princess who helped save him. 2 – Contrition One who rages like the fire and the only man who can tame her. 3 – Vindication What happens after all those years of sniping at one another when they are alone together? Theta Corps. Semper en obscurus. Always in the Dark. While they may work in darkness, when the find their loves, they will sacrifice it all to bring it into the light.