Life gets rough and confusing for Eyoshi Maiamoto when he moves straight from Japan to America to fulfill his father's dream. With a disobedient son, a boy-crushing daughter, and a distant marriage, Eyoshi struggles to keep his family, new job, and life together in America. Living with sexual uncertainties leads Eyoshi to meet Jinhao, a Japanese local just like himself. While married to his wife, Hironima, Eyoshi develops some ever-growing passion between him and a coworker. Among his wife and his new coworker Jinhao, sexuality becomes more than just a spectrum. Forced to find himself in a place he's unfamiliar with, Eyoshi's life becomes a map with unfair twists and turns in the romantic comedy Mr. Maiamoto.