many thanks for the producer of this show for provide intelligent adult entertainment for adult . the language be harsh but funny and for most people it will add to the enjoyment . if you have an open mind you will enjoy the bad language a part of the show ( watch the scene between al and mr. wu discuss the steal drug which have me roar with laughter ) . great script and great act make for great entertainment and the camera work be also excellent . i have just finish watch the first series on dvd and it be easily one of the best tv series i have ever see . great story all the way though . can not wait to catch up on series 2 and 3 on dvd .