As a wildfire threatens Berkeley, the city’s inhabitants are forced to reckon with the cracks in the lives they've built. Abigail, a wealthy homeowner, decides to throw a lavish birthday in a hillside mansion to raise money for the city’s newest affordable housing project—and prove to her family that she’s made something worthwhile of her life.

Sunny, a construction worker who sleeps in a van along the bay’s shore, is in the running for an apartment—but only if enough funds are raised at the party. As the heat and smoke from the approaching blaze descend upon the town, tensions rise and residents—young and old, haves and have nots—confront the inequities laid bare, and the fragility of building a life in a world on fire.