Complex sentence: Wesley's moral values override his family loyalty and he agrees to take his brother to the local jail the next day, but later that night the family wakes to the sound of jars breaking in the basement.
Split into simpler sentences: Wesley's moral values override his family loyalty and he is obliged to take his brother to be locked up in the local jail the next day. Later that night the family wake to the sound of jars smashing in the basement.