Here's a photo of the play I'm in, called Nurse Jane Goes to Hawaii. The story is about Vivien, a romance novelist whose next opus is created around the events unfolding before her. And trust me, that's the easiest explanation there is.
And now, the cast of characters.
From top left:
Bill: married to Betty; had a daughter with Doris Doris: married to Edgar Edgar(me): married to Doris; had a son with Betty Betty: married to Bill; Vivien's editor
From bottom left:
Peggy: Bill and Doris' daughter Peter: Edgar and Betty's son Vivien: romance novelist