Complex sentence: His quest takes him to a milliner, then to a baroness (Pauline), and then to a bachelor; on each occasion, his fiancee arrives hot on his heels, dazed and clumsy and invariably getting them both into trouble.
Split into simpler sentences: His quest takes him to a milliner, then to a baroness and then to a bachelor. On each occasion his fiancee arrives hot on his heels, dazed and clumsy and invariably getting them both into trouble.