Bernie and Cinder Lumen immigrate to Element City, where they face xenophobia from other elements and struggle to find a home. They have a daughter, Ember, and eventually establish a convenience store called the Fireplace, setting up a Blue Flame that represents their heritage and traditions and attracting many fire element patrons over time. Ember dreams of taking over the business once Bernie retires but must first control her fiery temper. When Bernie allows Ember to run the shop on her own