Based on the search results, "What Saves Us" is a romance novel written by Maggie Gates, which tells the story of a woman named Beth Hale who calls 911 when she is in labor and is surprised when her brothers best friend shows up to help her. The novel explores the struggles of new motherhood and postpartum, and the relationship between Beth and her brother's best friend. Therefore, "What Saves Us" refers to the events and characters in the novel and does not relate to any real-life situation that could "save us."