This is a series about the characters of Paul, Michelle, and Stacy. It involves their relationships with each other, as they develop from his affair with Stacy and his unhappy (until later) marriage to Michelle. It includes the main serial "Quiet Desperation" and the epilogue/ending "Embracing Completion", as well as probable spin-offs from these stories in time. Time will tell. The main theme is how both Paul and Michelle own up to the mistakes that they have made in their marriage, the lies that they have told themselves and each other, and the need to accept polyamory in their case (in the form of adding Stacy) to complete their marriage. They are naturally polyamorous and their marriage isn't complete until they accept both this, Michelle's biseuxality, and Stacy as their lover. Then they become a big, happy family, though not perfect, just complete.
This is really the epilogue to the story "Quiet Desperation", to which I recently had trouble figuring which direction to take. In this single chapter story, Paul and Michelle recruit Stacy to become the third person in their marriage, with some delicious and surprising results.