Complex sentence: All seems to be well and Ty convinces Elle to audition for Berklee again and both of them write a song "Fairytale" together until Kandi returns for her claim on the single and emotionally tortures Ty to leave Elle or she would sue everyone related to him.
Split into simpler sentences: All seems to be well and Ty convinces Elle to audition for Berklee again. They write a song "Fairytale" together, until Kandi returns for her claim on the single and emotionally tortures Ty to leave Elle or she would sue everyone related to him.