The story begins with three men from different walks of life who lead very ordinary lives in Hong Kong but all have something in common - single and desperate for love. They decide to travel to Hainan, China, in search of love. On their adventure, they suffer plenty of bad luck, one after another, but love may just be around the corner.

Lan Kwai Fong (LKF), a well-known party location in Hong Kong with loads of nightclubs and bars. Everyone likes to go to LKF for fun, one night stands or even true love. LKF has captured the joys and sorrows of many... One night, Steven - a regular of LKF met the flight attendant - Jennifer. They had sex on the first night they met but both could feel love come along. They had another date on New Year's Eve. Unfortunately, misunderstanding tore them apart and Jennifer decided to disappear from LKF. After eight months, Steven meets with Jennifer again and hopes to restart a relationship with her. However, Jennifer is no longer single, she's now his boss, Leslie's girlfriend. At the same time, Steven receives a call that his close friend collapsed and had to be sent to hospital. His friend encouraged him to follow his heart. When he finally decides to tell Jennifer about his feelings...

Kwok Ching is a soon-to-retire television weatherman who really has long aspired to be a news anchor. At home, he's single-handedly brought up three children, but they are fed up with him meddling in their lives. His eldest daughter Mei Mei is a successful lawyer, and married to househusband Yao Ming. Tomboyish second daughter Ching Ching manages a supermarket and is in love with sissy promoter Lok Yi Nga. The youngest son Fu Shing is an otaku enamored with beautiful starlet Vivian and he unwittingly becomes the romantic rival of billionaire Roberto. Meanwhile, struck by the shocking news of the world's impending doom, Kwok Ching is determined that he must reunite his family before it's too late...

Shin and Sara have been engaged for two years. They once had an argument and agree to have fun individually. Sara’s best friend Jeana who always has a soft spot on Shin, she then tried every means to seduce him. In the meanwhile, Jeana’s boyfriend Jacky is also getting close with Jolie who’s fun and wild. Lan Kwai Fong is as bustling as usual this weekend. The girls are all gathered to rock the clubs. Since Sara met the Korean hot guy Kim, the relationship between all of them started to change…

Detective Johnny Du was smart and agile but his height of 5 feet 4 has hindered him from joining the G4 protection detail for the Chief Executive. His sassy girlfriend Angel bullied him all the time, leaving him depressed at work and at home. His helplessness attracted Vincent, the Devil Prince and Jim, the Angel to fight for his soul.

A bachelor who decides to propose to his girlfriend with his mother's ring only to have the ring accidentally knocked into the gutter by a boy. He experiences the crazy nightlife in Taipei and meets many interesting individuals throughout his mission to get the ring back.

Don wakes up to find a kidnapped girl, Ding Ding, who claims Don is her kidnapper, except Don has no memory of the kidnapping.

An elite team of six female rookie police recruits fails to graduate as they resist to retreat in the final test when the situation gets out of hand. But their eminence provides them with another opportunity – “The Rafflesia”, a special female force that was disbanded 25 years ago when the mission failed, which is now looking for new blood to resume operation. Their first mission is to capture the notorious triad leader “President”, who caused the disbandment of “The Rafflesia” 25 years ago. He takes hostage of medical scientist Yoshida for his knowledge in virus to threaten different countries and ultimately plot a physical robbery. Eager to become real police officers, the girls accept the offer despite the level of danger involves.

Promiscuous things going on every night at LKF. Tonight, a photographer hits it off with a girl that just broke up with her rich ex-boyfriend; an office boy in advertising mistakes his cell phone for a pretty married woman’s; a broker gets to know a prostitute a lot more than he should; a patrol officer comes across a female DJ working at a night club, they’re like familiar strangers to each other.

Shin and Sara have been engaged for two years. They once had an argument and agree to have fun individually. Sara’s best friend Jeana who always has a soft spot on Shin, she then tried every means to seduce him. In the meanwhile, Jeana’s boyfriend Jacky is also getting close with Jolie who’s fun and wild. Lan Kwai Fong is as bustling as usual this weekend. The girls are all gathered to rock the clubs. Since Sara met the Korean hot guy Kim, the relationship between all of them started to change…