Annabelle is the protagonist of the novel. She is a high school senior living with her mom and brother in Seattle, Washington. Annabelle is popular, a talented cross-country runner and an overachiever in school, where she especially loves science. Annabelle also works part time at a bakery and volunteers at a nursing home.

Last summer, almost a year before the novel begins, The Taker arrived at a party and shot Annabelle’s boyfriend and best friend. Because of this, Annabelle suffers from PTSD and anxiety. After being catcalled by a drunk man at a restaurant, Annabelle flees and spontaneously plans to continue running all the way across the country. The novel’s primary arc follows the development of Annabelle’s character as she completes this journey, which tests her physical endurance as well as her emotional resolve, as she copes with her PTSD, anxiety, and residual guilt from the shooting.

Although Annabelle begins the trek uncertain, distrustful, and plagued by anxiety, doubt, and guilt, the journey reveals a hidden depth of strength and determination within her heart. Because she must rely on assistance and generosity from friends, family, and even strangers, the run also encourages Annabelle to trust the kindness and intentions of others.