Olive the cat is trusted with a juicy secret by her friend Molly: Molly accidentally dropped her own hat down the toilet. Though Olive promises not to tell a soul, the burden of holding onto the secret proves too heavy. She confesses it to Joe under the condition that he keeps it quiet, but Joe quickly passes it to Matt, who tells Lola. Soon, the secret spreads across the entire neighborhood of anthropomorphic animal friends, resulting in a funny, relatable look at gossip, peer trust, and the social consequences of breaking a promise.