Happy Family (2002 film)  Happy Family is a 2002 Hong Kong romantic comedy film directed by Herman Yau and starring Nick Cheung, Candy Lo and Kenny Bee. Small Han Sang (Nick Cheung) works in a top position at his father's (Kenny Bee) real estate company. His father does not interfere often but during a period of interviewing new applicants, his father has personally recommended Kaka (Candy Lo), who in the end, gets a job at the company. A good worker and a good bond between Sang and Kaka is created, even to the point of love and plans of marriage. However, Mr. Han later drops the bomb that Kaka is actually Sang's sister.