The sewer quest is where you'll get one of the most powerful items in the game. The cult robe. People in the forest leave the cult members alone so you're free to walk around without getting bothered.

Map

Walk through

1. Go to the homeless camp. 2. Find Dale's Tent 3. Talk to Dale and get the crow bar 4. Go to the Alley. It's to the right of the Night Club 5. Click on the sewer lid and enter the sewer 6. Traverse the sewer until you get to the end. The actual end with Missy's box is placed randomly so you'll have to traverse each section until you find the box. 7. Get the box and return to Missy Tips: Bring energy supplements with you. If you energy gets too low you'll find yourself outside the sewer.