Complex sentence: Though there was some tension at first, Tony and Rachel soon picked up where they left off; however, Bridget Simmons arrived in the Bay, a woman who Tony had had a one night stand with when on holiday.
Split into simpler sentences: Though there was some tension at first, Tony and Rachel soon picked up where they left off. However, Bridget Simmons arrived in the Bay, a woman who Tony had had a one night stand with when on holiday.