An 18-story wooden high-rise with condominiums and office space is being built in Hamburg's Hafencity. In this episode, bad weather gets in the way of fitter Sascha Grevecke and crane operator René Nestler on the construction site. It's pouring with rain in the Hanseatic city. Matteo Marino renovates a 300-year-old half-timbered house near Witten with his father, cousin and uncle. And Michael Arz is responsible for a megaproject costing around a billion euros in Leverkusen. There, a bridge with ten lanes is taking shape.