Crazy Doctor and Fierce Son-In-Law

Haidong City, which brand of cigarettes is the best? Big front door for three bucks a pack! Countless celebrities and rich people have a pack because that person loves to smoke! In Haidong City, which car is the most expensive? It's that old old bread car, because it's that person's car! Countless ladies and gentlemen are proud to ride in that van! He was originally a mediocre migrant worker, but accidentally got married into a wealthy family. How could he make a comeback? A thousand-year feud and a shocking murderous intention, how can he avert danger step by step?