A green mist seeps from the earth, marking the start of an apocalypse as it spreads, killing instantly. The Poetess, unaware of the danger, struggles with creative burnout and decides to quit poetry. As the gas approaches their 502nd-floor apartment, it becomes a refuge for the Neighbor, the Cat, the best Friend, and the Burgomaster. They grapple with the catastrophe’s causes, their relationships, and art’s significance as the gas rises.