The novel is a gripping espionage thriller set in the frigid, remote reaches of Siberia, where a secret scientific research facility, hidden deep within the vast and treacherous Kolyma region, draws the interest of Western intelligence. The protagonist, a brilliant and linguistically gifted Englishman, is recruited for an almost impossible mission: to infiltrate the top-secret installation, Kolymsky Heights, and uncover its mysteries. Disguised as a native Siberian truck driver, he embarks on a perilous journey through the icy wilderness, facing extreme weather, treacherous terrain, and the ever-present risk of discovery by Soviet authorities. His quest for knowledge becomes a harrowing adventure of survival and espionage, as he delves into the enigmatic purpose of the facility and attempts to relay its secrets to the outside world.