The Neptune is gone, stolen by the Indian guide Moc, or maybe by Guiana-Capac’s malevolent gods. The last members of the ill-fated expedition—Silver, Dantzig, Livesey and Bonnet—are stranded in the ancient city. Far from being broken, however, they will face head-on what lies inside the gargantuan ruin, each for his own reasons: revenge, duty, gold... or to rescue the beautiful Lady Hastings. For Moc isn’t done with them, and he has plans for Vivian.
He was XIII’s most dogged enemy from the start, but who really was the Mongoose, that mysterious assassin-for-hire who nearly killed the amnesiac hero so many times? During an encounter between him and Kim Rowland - an event that took place just before the start of the XIII series - the merciless hitman tells the story of his childhood and how he became a contract killer. ‘Anyone would have in my circumstances’, he claims. But would they? You be the judge.