Spring 1814.

The Columbia River, somewhere in the vicinity of the mouth of the Umatilla River, in what is now eastern Washington.

Gabriel Franchère’s brigade is moving east by canoe.

They see other canoes approaching.

They are cautious — the fur-trade world of this period was not without its dangers, and unidentified canoes required assessment.

Then a child’s voice calls out in French: “Stop, stop.”

They stop.