“Crazy Rich Asians,” a bubbly, funny movie based on Kevin Kwan’s bestseller sets up clashes between tradition and individualism, between the heart’s desire and familial duty, between insane wealth and proud independency — there is more laughter than tears.

Nick the ultra eligible scion of a Singapore real estate family falls in love with Rachel, an economics professor at N.Y.U. originally from Queens. She and Nick, who have been together for a year, are clearly a perfect match. At least in Manhattan. But when they travel back to Singapore for a wedding, Rachel finds herself subjected to the disapproving scrutiny of the older generation and vicious sniping from potential rivals.