Complex sentence: From Season 4 onward, he acts as the supervising officer on Death Row where he treats every inmate horribly, with the exception of Shirley Bellinger, with whom he begins a sexual relationship.
Split into simpler sentences: From Season 4 onward, he acts as the supervising officer on death row, where he treats every inmate horribly. The exception of Shirley Bellinger, with whom he begins a sexual relationship.