Lying is a universal language, spoken and understood by 7 billion people. none of us can evade the jinx of The Seventh Lie - Self Deception. Chauffeur Song claims to be a part-time killer. Or is he a womanizer, tries to get in the heart of his chum's wife Julianne? Julianne checks into a hotel with Song to discover his frightful plan. A sneaky Hotel Bellhop bumps into them. Could he come to Julianne's rescue? Or is he a brilliant con-artist who attempts to rip off moneyed guests of the hotel? In this hotel, he uncovers his darkest secret and comes across a Runaway Bride Gwen. The lives of these seemingly unassociated souls are interlaced together to face the appalling truth beneath their lies.

Roger Li, the son of the richest man in town, is involved in a car accident which has soon become the talk of the town. The only witness James, nervous and terrified, denies witnessing the accident and seems to withhold the truth. Veteran undercover cop Dream Dragon and James are old time buddies; with an intention to take advantage of their relationship, Dragon approaches James to investigate this suspected substitute case. James’ beloved sister Kwan is born with a serious eye disease. Her only wish before losing her sight totally is for James to realise his dream of being a popular superstar. It is the motivation for James to join the male pageant “Man of China” in hope to win the competition. Meanwhile, James is invited by a renowned director to work abroad on his new international project. However, the shooting period overlaps with the court date of the case. It turns out that everything is controlled by a mastermind with a premeditated intention yet to be revealed…

Chief B (Danny Lee) is an unconventional CID member who relies more on instincts rather than by the book to resolve situations. He's a down-to-earth fellow who's a mamma's boy, not too well-educated, and an outstanding member of the CID. Police Officer Kit (Eddie Chan) has just been promoted from the rank-and-file to CID, and at the same time is studying for the test to become an Inspector. Chief B takes him under his wings to investigate numerous gang-related cases. Kit, previously a by-the-book type of police officer, learns a lot from Chief B.

Kiki, a sexy and charming OL, will be married to her cop boyfriend Sean in a week. During the hen night, Kiki encounters a handsome photographer named Jack and falls head over heels for him.