This is how the Cat Collier Mystery Series begins. This is the opening paragraph from the first book, January Black Ice, where you meet the feisty redhead, Mary Catherine Collier, as she agrees to help an old hermit lawyer find out if a stranger in town is his son.
Here is the section where Cat first sees the stranger-possible son.
The short story mystery selections so far are:
January Black Ice
February White Lies
April Yellow Moon
Amazon Link for January Black Ice: