When the successful broker Michael Jiahua (Tim Allen) went to the Amazon Forest to find his wife to sign the marriage letter, he found that ── had a 13-year-old son who was raised by aborigines. As a result, Michael agreed to take his son back to his concrete forest in New York City, and soon realized his son's indomitable mischief talent! At the same time, it was not easy for his son to adapt to Michael's fiancee and prominent business partners, and the process of adapting to each other was absolutely funny and wonderful!