Host Meg Wolitzer presents three stories about perfect pairs, and what happens if and when they split up. A friendship unravels in “Mrs. Carrington and Mrs. Crane,” by Dorothy Parker, performed by Mia Dillon and Rita Wolf. Writer Toure feels that there ought to be a corresponding ritual to marriage and commitment celebrations, and has created “The Breakup Ceremony,” performed by Maulik Pancholy. And in “Twins,” by Philip Graham, siblings rediscover one another. It’s performed by Michael Tucker.