A trickster-for-hire, known as the Tricky Expert, is hired to ruin the lives of a father and son by making them think that he's a part of the family.
A young, unsuccessful singer, after committing suicide, is to be reincarnated, this time into a musical family. Her spirit must get to the hospital where her future mother is currently ready to give birth to her, so that she can enter the womb and be born. Unfortunately, she misses her appointed birth time, twice, due to the accidental intervention of a young man, Mr. Hong. At first she is angry and makes life hard for him, but eventually they fall in love, although she can't stay around long as she has one last chance to be born.
Liu Yue Ping reports to the ICAC about a rich 2G Cao Yuen Yuen who bribed officers of the Hong Kong Correctional Services (HKCS) from inside the prison. William Luk decides to infiltrate the prison as an inmate to conduct his investigation, while his partner Ching Tak Ming and Chief Inspector Lau Po-keung back him up from the outside.
