Grace’s quick confession wrapped up the case, and both she and Sophia were detained by the police under charges of endangering public safety. They were given a thorough lecture, though whether Grace was listening was another story.

After hours of stern education, the young officer was exhausted. He downed a large cup of tea and sighed, “You were once family, right? Couldn’t you all just sit down and talk things through? And you, you’re in your fifties or sixties now. Why haven’t you ...