Watch full movie online. The Porcelain Pianist is a creepy little tale with an eerie, slow-burn pace that follows three young men who join forces to confront their absent father on the set of a horror film. In the film, their father is directing a story about a notorious composer and maestro pianist whose music reputedly caused madness in its listeners. To add to the horror, the composer famously hid his features under a porcelain mask.