Here is a 100 word summary of the entire story, covering all twelve chapters.
A family on the edge takes a trip to a remote cabin. The first visit brings a storm, a power outage, and forced honesty. Leo finally shares his grief over losing his best friend Sam. Maya starts drawing again. Paul and Anna remember how to talk. They return home changed. They plant a garden. They paint a fence. They celebrate holidays and endure hard days. Leo draws monsters. Maya wins an art contest. Paul rents the cabin again. A year later, they return. The lake is warm. The stars are bright. The trip is forgettable. That is exactly why they will remember it forever.