Major of the GRU special forces went to scout the ruins of Hitler’s bunker “Werwolf,” blown up back at the end of World War II. He had no idea what he would find in its secret lower level—because the Führer’s residence was disguising a portal into a parallel world where the “great geopolitical catastrophe” of 1991 had been prevented, and the USSR still exists. But at what cost? Trying to save the Superpower, Soviet special services—without meaning to—activated a delayed-action bomb placed under both worlds. And now the timer is counting down the last hours—if it isn’t stopped, the Death Pendulum will set in motion, sweeping billions of lives off the face of the earth. The outcome of the rescue operation will determine not only Russia’s fate and the “parallel” USSR—but the survival of all humankind…