in Episode 5:

The heroes followed Deru O'Boinne across the city to the Clearwater District after some misadventure.

There they found the O'Lu household sealed by magic, and within, a loom room in the back, the wool had been spun into webs, and a door in the floor led tantalizingly down into the basement.

This Episode (6):

A conversation with a missing warrior's family goes awry and the heroes need to figure out what's next

Will Deru find his missing friend, or will he return to them and his wife with dark tidings?

https://youtu.be/pvI6ECZFQck