Complex sentence: Meg had been talking online with SB, a man who lived in Sunset Beach, California, and after catching Tim with her maid of honor, Meg fled to Sunset Beach in search of SB, who turned out to be wealthy, widowed businessman Ben Evans.
Split into simpler sentences: Meg had been talking online with SB, a man who lived in Sunset Beach, California. And after catching Tim with her maid of honor, Meg fled to Sunset Beach in search of SB, who turned out to be wealthy, widowed businessman Ben Evans.