Isabelle Day Refuses to Die of a Broken Heart

In Milwaukee, Isabelle Day had a house. And she had a father. This year, on Halloween, she has half of a house in Minneapolis, a mother at least as sad as she is, and a loss that’s too hard to think—let alone talk—about. It’s the Midwest in the early 1960s, and dads just don’t die . . . like that.

Hovering over Isabelle’s new world are the duplex’s too-attentive landladies, Miss Flora (“a lovely dried flower”) and her sister Miss Dora (“grim as roadkill”), who dwell in a sea of memories and...