Newly based in Brighton, Trevor and Joe take on a schoolhouse conversion as well as rival builder, Nick Costello, who feels undercut by the brothers and is out for revenge. There are also new women in each of their lives. Trevor has ill-advisedly fallen in love with Nick's little sister, and Joe has started an affair with their site architect. Amid unfinished projects and unpaid invoices, will Purvis and Purvis Master Builders be able to pull it together and finish he job, or will the walls come crashing down around them as passions begin to smolder?