Watch Mr. Happiness (2017) HD Full Movie Free on solarmovie.do. Watch Mr. Happiness (2017) online free. Martino's sister, Caterina, can't work anymore for health reasons and he replaces her as cleaner for...Martino's sister, Caterina, can't work anymore for health reasons and he replaces her as cleaner for dr. Guglielmo Gioia, a mental coach. While the doctor leaves, Martino pretends to be his assistant.