After coming home with Excalibur after her 7th adventure Lara browses through the library in Croft Manor and comes across a book that reports about a 5th trident in the Catacombs below Alexandria. At once, Lara orders Winston to pack her bags again and arranges a meeting with Jean-Yves so that he can bring her to the entrance of the ruins. But Von Croy's men are also already looking for the artifact...