While digging one of the many tunnels for the Moscow metro, Soviet workers unearth ruins of a dungeon. The site is closed, the metro tunnel is diverted, and amidst the bustle no one notices the tunnel workers’ foreman pocketing a little ‘souvenir’ – a book-sized frame made of precious metals featuring an inscription in an unknown language. Decades later, the foreman’s grandson Ilya, who works as a courier, discovers the ancient relic in a pile of old junk. Oblivious to the true value of the family heirloom, he soon learns about it from a mys...
