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…