Mystery of the Missing Husband

Charlie was rock hounding in Arizona when he slips on a loose rock, slides down the side of a mountain, and bangs his head against a boulder. When he wakes up, he can't remember who he is. He travels around the country until he gets a job in a cafe in Texas.  A couple of young cowgirls come in and say he is their missing husband who owns a large cattle ranch in Arizona. He doubts that he is married to them but goes with them to find out for sure.  This short story has many twists and turns.
It is based on the characters from the series Charlie's Circle. This is a romantic mystery and has no explicit love scenes or profanity.