One day Sammi's purse gets stolen and Louis helps her get it back. Louis happens to win the lottery but Dong Dong snatches the ticket.
When Louis tries to retrieve it, Jessica mistakens that Louis is trying to hurt her dog. The next day, Jessica discovers that Dong Dong is gone and believes that Louis took her dog.
Most of TVB series usually star Louis and Jessica, and sure enough they are seen quite often in the same series ("A Step into the Past", "Detective Investigation Files IV").
With the other cast members like Sammi, the series was unique and very original.
) is the 4th and final installment of the Detective Investigation Files TV franchised by TVB in Hong Kong.
It won two TVB Anniversary Awards, including Best Actor for Louis Koo and Best Actress for Jessica Hsuan.
As for the talk that TVB has been inviting more and more former artists to return to the station, Jessica said it is a good thing.
“The reason why I came back was because of the production team itself.