Watch 123Movies. Good Boy Gone Best centers on Mr. Phát, Mrs. Diệp, and their only son, Phú Quý. Determined to raise their child according to their own ideals, Phát and Diệp create a deliberately confusing life where wealth and poverty, truth and deception, constantly blur together. But as Phú Quý grows up and begins making choices that defy his parents’ expectations, a series of hilarious mishaps unfolds—bringing long-buried secrets to light. Beneath its comedic premise, Good Boy Gone Best is a heartfelt story about family bonds, generational differences, and the journey of parents and children learning to listen to and truly understand one another.