The exciting story of rookie engineer Otto Krause starts when he was hired as an assistant site manager by the 'Joint-Venture' Company for a construction mission in Mexico. His experiences begin to submerge the reader into a rollercoaster of occurrences and adventures as the first basic oxygen steelmaking plant in Central America is created. Beside the contractual professional life the lively leisure activities with the exotic ladies and the world of horse riding offer some delicate surprises. From the desire of a Mexican steelworks boss wanting to own the famous vehicle with the star at the front end, Krause comes face to face with a never anticipated problem which forces him to forget the designated deal causing him to almost completely losing his car. Only his personal intervention prevents his vehicle's theft by the corrupted public officials. Seldom gets the reader a better sense of the popular conclusion: other lands - other customs.