The police arrive after Michael makes a startling discovery while digging the footings in The City Barn. Meanwhile over at The Toxic Townhouse, Mike shows homeowners Lana and Chris the structural issues by the stairs and the dangerous gas line installed in the basement. Sherry works on the renovation binder for The City Barn and becomes a mom, and the newest addition to the Holmes family, baby Cali, is introduced to the crew for the first time.