Complex sentence: The chained man, revealed to be Im's husband, escapes, kills the curator, who was Im's brother, and finds his dying wife, saying he regrets finding and bringing the red kimono doll from the woods after all the trouble it caused.
Split into simpler sentences: The chained man, revealed to be Im's husband, escapes prison and kills the curator (Im's brother). He finds his dying wife, saying he regrets bringing the red kimono doll from the woods after all the trouble it caused.