Complex sentence: Maitland rescues Marshall when he is injured by falling masonry, and takes him home to recover; in the basement of Marshall's home, Maitland sees military equipment labelled "Hardoon Tower", and wonders whose interests Marshall is really serving.
Split into simpler sentences: Maitland rescues Marshall when he is injured by falling masonry and takes him home to recover;. In the basement of Marshall's home, Maitland sees military equipment labelled "Hardoon Tower" and wonders whose interests Marshall is really serving.