Location: France. The protagonist is a cat named Riba who raises fish. Quiet, elegant, and passionate about music, he is the lamplighter of the town and dreams of owning a piano. Every day, when passing by the piano store, he can't help but gaze longingly through the shop window. However, he doesn't have the money to buy a piano. Thus, he drifts between reality and fantasy, soaring through music together with his fish...