Complex sentence: An uneasy relationship develops with Sean, who is possessive and jealous of anyone vying for Tracy's attention, and he struggles to control her sexually and artistically by discouraging her attempts to break away from modeling and further her design aspirations.
Split into simpler sentences: An uneasy relationship develops with Sean, who is possessive and jealous of anyone vying for Tracy's attention. He struggles to control Tracy sexually and artistically by discouraging her attempts to break away from modeling and further her design aspirations.