You must find out what had happened to the city and find an exit out of it. When entering the Lake House, you enter a time portal going back 7 years to the time of Last Seed. It is a critically acclaimed expansion mod offering a unique 6 - 8 hour experience: a murder mystery investigation set in an ancient underground city. See the credits section for more information. The Forgotten City is the first mod in history to win a national Writers' Guild award for its script. How the NPCs look will vary wildly depending on what other mods you have installed. It does not include any skin or body textures. You must defeat Altruis's ghost for a key to this house. This is an appearance overhaul for the new NPCs added by the mod 'The Forgotten City'. When entering the city, you discover the Lake House. The first quest will automatically start.
You must help a woman, Cassia, find her brother. The Forgotten City is a quest mod for The Elder Scrolls V: Skyrim and The Elder Scrolls V: Skyrim Special Edition. The first quest will automatically start when the Dragonborn reaches level five, or when venturing into the Forgotten Ruins (located in the far south-west corner of Skyrim).