Complex sentence: Nikki's ex-boyfriend Rolando "Roy" Pavia returns from Europe in order to marry her (because Nikki's family is rich) although Roy is in love with Liliana after they had met at the club.
Split into simpler sentences: Nikki's ex-boyfriend Rolando "Roy" Pavia returns from Europe in order to marry her (because Nikki's family is rich). Although Roy is in love with Liliana after they meet at the club.