A fierce robber has plotted a major heist. But unfortunately, his plan was unintentionally foiled by two dispirited middle-aged best friends, and the stolen cash disappears. As a result, the trio has to run from the pursue of a policewoman, as well as engaging in a firearm in order to reclaim the stolen cash, putting their life on the line.

Story follows Guy and Heidi five years into their relationship and faced with a serious dilemma: Whether or not it is time to marry and form a family. They're equally in love, and their relationship is going strong. But while Heidi is ready to settle down and believes that marriage is proof of one’s everlasting love, Guy holds the belief that marrying Heidi will result in him being tied down to a woman that he will one day grow distant from. Heidi consults her girlfriends for advice, and Guy consults the guys. What follows is an outright battle of the sexes, as Heidi plots devious ways of getting pregnant—with marriage as an end goal—as quickly as possible, and Guy schemes up a handful of contraceptive counter-strategies.

“CHUNG LUI SOCIETY” is a boxing gym founded by the former legendary Muay Thai champion CHUNG Lui (Louis KOO), who is dedicated to training professional fighters. Despite the gym's struggles, he remains committed to his lifelong philosophy of never backing down from a challenge. Businesswoman Elsa (Louise WONG) discovers that her boyfriend Daniel (CHAN Charm Man Peter) is cheating on her with Macau's female champion, Surewin (Chrissie CHAU). Driven by her competitive spirit, Elsa vows to settle their score in the ring. Upon learning that Surewin was Lui’s former student, Elsa seeks him out to train her at his gym. There, she encounters MOK Ka Lei (Gigi LEUNG), who had previously clashed with her during an advertisement shoot. After leaving the entertainment industry to support her family, Ka Lei attempts to make a comeback, with the help of her friend LAM Pik Chu (Harriet YEUNG).