Complex sentence: Mitty has no idea what virus he should research, but when his parents take him to their home in the countryside of Connecticut and he finds old medical books from 1902, Boston, he discovers something that will change his life forever.
Split into simpler sentences: Mitty has no idea what virus he should research, but then his parents take him to their home in the countryside of Connecticut. There he finds old medical books from 1902, Boston and discovers something that will change his life forever.