Complex sentence: Jesse runs into his former professor Fairfield at a bar and she invites him to her house for a one-night stand, but then scorns any post-coital emotion and rejects any ongoing relationship between them.
Split into simpler sentences: Jesse runs into his former professor Fairfield at a bar and she invites him to her house for a one-night stand. But she scorns any post-coital emotion and rejects any ongoing relationship between them.