Romane Pennac's niece has been kidnapped in Paris. Her genetic makeup, inherited from the experiments conducted on her mother – and Romane – in her youth, make her a perfect candidate for Algapower's hybridisation experiments. Hell bent on rescuing her and putting an end to the corporation's actions, El Malik and Pennac attempt a daring raid on Algapower's Rio laboratory. But when things go wrong, they'll find some very strange allies...