Complex sentence: When the soldier's solitude is interrupted one day by the arrival of a strange new "guest," (named Lars) Glago is jolted out of his uneventful daily routine but soon comes to realize that things aren't always what they appear to be.
Split into simpler sentences: When the soldier's solitude is interrupted one day by the arrival of a strange new "guest" named Lars, Glago is jolted out of his uneventful daily routine. Soon, though, he comes to realize that things aren't always what they appear to be.