Many movies and plays are based on “a true story.” Some follow a news story closely; many have just the most tenuous connections.

Surflight Theatre’s next show, “Calendar Girls,” which opens on Sept. 10, leans towards the former, not the latter.

In 1998 a man, John Baker, died from leukemia at the age of 54 in a small English village. His wife, Annie, and her best friend, Chris, decided to organize a fundraiser to purchase a new settee in the local hospital’s waiting room in his honor.

Annie and Chris were members of their local Women’s Institute, a community-based organization for rural women that is…