It’s been several months since the events of The Yellow M, but the evil of Professor Septimus still echoes around London. Important figures of the capital’s jet set come together around the questionable values the mad scientist defended. Olrik is forced to resort to opium in order to forget he was guinea pig. As for Mortimer, he too is trying, albeit for more humanist reasons, to revive certain aspects of Septimus’s work – to Blake’s extreme concern...

Is the master of the Yellow M back? Captain Francis Blake, dashing head of England's MI5. Professor Philip Mortimer, world-renowned nuclear physicist. The most distinguished duo of gentleman-adventurers, battling the forces of evil and their arch nemesis Olrik around the globe, below the earth, even across time itself... The 20th adventure of Her Majesty's finest protectors!

It’s been several months since the events of The Yellow M, but the evil of Professor Septimus still echoes around London. Important figures of the capital’s jet set come together around the questionable values the mad scientist defended. Olrik is forced to resort to opium in order to forget he was guinea pig. As for Mortimer, he too is trying, albeit for more humanist reasons, to revive certain aspects of Septimus’s work – to Blake’s extreme concern...

A renowned physicist and the head of MI5 battle threats to the Empire and solve extraordinary mysteries across the globe. The 27th adventure of Blake & Mortimer, the most distinguished duo of gentlemen-adventurers!

Tasked by the queen to close the ‘Septimus Wave’ case once and for all, Captain Blake is facing a daunting task, for many questions remain unanswered. Where did the spaceship buried beneath London come from? What became of Lady Rowana and Professor Evangely? Meanwhile, Mortimer is trying to pull Olrik out of the catatonic state the villain has been in since his encounter with the ship’s occupant. Has the threat to the nation truly been vanquished?

In Venice, a boating accident leads to the discovery of a 400 year old text bearing the signature ‘W.S.’ and promising the truth about the ‘Shakespeare mystery’. That very night, someone tries unsuccessfully to steal the precious document. The discoverer, Marquis Stefano Da Spiri, decides to send a copy of the document to a specialist of the Bard in London for stylistic authentication. As for the original, he entrusts it to an old comrade in arms from WW2: Captain Francis Blake...