Keith Brymer Jones and his partner Marj restore a 163-year-old derelict chapel on Wales' Llyn Peninsula, to turn it into a forever home with a working pottery studio. The pair start renovations on the downstairs Sunday School so it can become their living space, complete with a kitchen, bathroom, bedroom and a snug. But before they can begin they have to rip out the fungus and try to control the dry rot that's infected the chapel