A spy thriller that takes an assortment of familiar superheroes and reinvents them as covert agents during World War II and the Cold War. The Bat, The Clock and The Owl are the Unholy Three, a group of Allied spies that must capture the albino smuggler Jack the Grin before he sells Hitler's greatest weapon to the highest bidder. Later, the Unholy Three are joined by new agents as they attempt to stop KGB operatives from discovering a weapon that could end all life on Earth.