When an F3 tornado leveled their entire two-story house. Ashley and Troy Thomas' rarely used basement saved their lives as a shelter. Now, as Rachael's team helps them turn a hole in the ground back into a new home, the only must-have is: a basement.

Rachael's team digs deep to find mold in the Murphy family home ravaged by flood waters. But new problems seem to be growing faster than the mold as Rachael tries to get this family back in their home.