The builders head to a village in Derbyshire, where a retaining wall is needed to protect a housing development from possible land slips and flooding. Multi-talented Lauren is drafted in to help give things a push, but she is not impressed by some of the attitudes on site. Lucas experiences setbacks on and off site as he confesses that his relationship is on the rocks. After struggling to get to grips with a new method of bricklaying, he pulls on the boxing gloves and enjoys sparring with Lauren