At the Boston quarantine zone, Ellie becomes caught in a fight with a group of boys who attempt to steal her belongings. Riley Abel steps in to break up the fight, beating one of the boys and making the others flee. Ellie becomes angered by this, claiming that she can take care of herself.
[13] Riley then advises Ellie to flee, but the latter is caught and assigned to cleaning duty. While she is completing the chore, she realizes that Riley stole her
Walkman,
[14] and later demands that she return it, which Riley reluctantly does.
[15]
At night, Ellie catches Riley attempting to sneak out of the school, and demands to accompany her.
[16] Riley reluctantly agrees, and the two make their way to the mall, where they meet Riley's friend Winston.
[17] As Winston teaches Ellie how to ride a horse, Riley steals his radio, and discovers that an attack by the Fireflies—a rebel group opposing the quarantine zone authorities—has occurred nearby.
[18] Ellie and Riley make their way to the attack, and find that the Fireflies are wounded and outnumbered. To help, Ellie and Riley throw
smoke grenades at the military, allowing the Fireflies to retreat safely.
[19] They are spotted by the military, and escape into a nearby alley, where they narrowly avoid being bitten by an Infected—
zombie-like creatures infected by a mutated strain of the
Cordyceps fungus.
[20]
The girls are soon captured by Fireflies, who restrain them; Marlene, the leader of the Fireflies, recognizes Ellie, and demands that she remain safe.
[21] When Riley claims she would like to join their group,
[22] Marlene refuses, and the two argue, resulting in Marlene threatening to shoot Riley.
[23] Ellie intervenes, demanding at gunpoint that Marlene explain how she knows information about Ellie. When Ellie finally lowers the gun, Marlene informs her that she knew Ellie's mother, and had promised her that she would take care of Ellie.[24] Ellie hands the gun to Marlene, who says that she would tell her more about her mother in the future, before telling the girls to leave.[25] When Ellie and Riley reenter the quarantine zone, Riley says that there is no escape. Ellie suggests running away, but Riley informs her that this will just result in death. The two then walk back into the school.
[26]