Blake & Mortimer - Volume 20 - The Septimus Wave

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…