In the Sbroj Atomic Research Center in Syldavia, the lunar rocket carrying Tintin and Snowy, Captain Haddock, Professor Calculus, and engineer Wolf was launched. With trepidation, Mission Control awaits the moment the first space explorers awaken after the launch overloads, but all attempts to contact them prove futile: there is still no signal in response. And somewhere far away, unknowns are listening intently to Earth's call signs: for them, the lunar mission represents more than just scientific interest... This is how the second part of the lunar thriller begins, keeping the reader in suspense until the very last pages. An endless series of incredible events puts into question the very possibility of the heroes' safe return to Earth.
