When Sebastian hears a strange noise behind his curtain, his imagination immediately runs wild as he tries to guess what it could be. With courage, he faces his fears and finds the source of the noise. With his father's guidance, he discovers a sense of kindness towards another, once scary, creature.

Sebastian and the Strange Noise is a tender-hearted and imaginative story about the curiosities of toddlerhood, the discovery of big feelings like fear and empathy, and the journey a child takes to become brave and walk in another's shoes.