Most women have had a one-night stand that they regret, but for the narrator, as she realizes she is pregnant, it is more than just embarrassment to think about, but a whole new life now. She remembers an article that she had read about men's DNA staying in women's bodies for the rest of their lives after a sexual encounter and she becomes obsessed with trying to give her child better than a stranger's DNA.
Maybe there is somehow, some way, she can make it happen. Over the next week, she visits her three most beloved and traumatic, ex-boyfriends hoping to marinate her ovum in their sperm, racing against her own bad genes, generational trauma, and facing her own healing to save her developing baby's future.