Paris

Paris is the capital of France and the country's largest city. It is situated on the river Seine, in northern France.

As it relates to the game, JC Denton flies into Paris with the help of Jock, with the ultimate mission of making contact with Morgan Everett of the Illuminati, but before, he meets Chad Dumier of Silhouette, who tells him to find Nicolette DuClare, who can make contact with Everett. Paris is the most expansive part of Deus Ex, starting on the roof of a building, going down to the streets, through the Paris Catacombs, through the streets of Paris, to the Chateau DuClare, through sewers, to an ancient Cathedral, and then to the train station to meet Everett.

In addition to meeting Morgan Everett, a major player in the game, and Chad Dumier, a major player in Invisible War, JC also fights Gunther Hermann here in the Cathedral.

Part One: Catacombs
Jock drops JC on the roof of a tall building and tells him the Catacombs are nearby, and that he should look up Chad Dumier, of Silhouette, for help in contacting Morgan Everett. JC must make his way down the building to ground level and find the entrance to the Catacombs. When he does, he must fight a small group of MJ-12 commandos and troops to get to Dumier. Dumier tells JC that he's not directly associated with the Illuminati. He does have some information, but will only give it if JC rescues two of his people. Once JC does this, Chad directs JC to the streets and tells him to make contact with Nicolette DuClare, saying that her mother Beth was directly associated with Morgan Everett. JC goes through the rest of the Catacombs, and comes up at the street level.

Part Two: Nicolette
The streets are crawling with MJ-12 troopers, Commandos, and security bots, as well as the Paris police, who will not fight JC unless he gives them a reason. There are numerous stores here, such as the Enfant Terrible and the Boulangerie Centrale, for JC to explore, but it's at the nightclub where JC meets Nicolette, who is posing as a "friend" who says Nicolette will meet her around back. JC leaves, and finds the "friend" there, who reveals herself as Nicolette DuClare; she's had to keep a low profile since her mother was murdered. Jock picks up JC and Nicolette and takes them to her home just outside the city limits, where JC discovers Beth DuClare's hidden computer lab, with which he's able to contact Everett. Everett tells him that, to meet him, JC must hack a computer in a nearby cathedral to allow Everett to use it.

Part Three: Everett
JC travels through the sewers to reach the Cathedral, which is also packed with MJ-12 troops and commandos, seemingly under the command of a Woman in Black (or WiB). When JC finds the computer, he runs into Gunther Hermann, who fights JC to the death. When JC establishes the uplink, Everett agrees to meet JC. JC leaves the cathedral and goes down to a subway station, where he meets Toby Atanwe, who knocks JC out and transports him to Everett's home. Here, Everett explains to JC that he will be going back to America, to the X-51 site at Vandenberg to establish a link to the military networks. The mechanic who worked on Jock's helicopter seems a bit off, and nearby there's another mechanic, killed. If JC doesn't kill or KO the suspicious mechanic, Jock's copter blows up at the end of the game, killed by a bomb the odd mechanic left behind.

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