Complex sentence: Emily returns to Southampton and rents the house she once shared with her late father, now owned by a woman named Lydia and begins to put her plan into action, but then gets sidetracked by an old friend, a potential new romance and an unwanted ally.
Split into simpler sentences: Emily returns to Southampton and rents the house she once shared with her late father, now owned by a woman named Lydia. She begins to put her plan into action but gets sidetracked by an old friend, a potential new romance, and an unwanted ally.