Complex sentence: This she duly did, and set off on a madcap adventure in the company of her maid, travelling through the South African countryside until she was finally captured by the enemy and returned to the town in exchange for a horse thief being held there.
Split into simpler sentences: This she duly did, and set off on a madcap adventure in the company of her maid, travelling through the South African countryside. Eventually, she was captured by the enemy and returned to the town in exchange for a horse thief being held there.