Arthur, Biggs, Sid, Alf, Lee, With, Fawh, Arianne and Trelainne are at it again, but this time in the science fiction universe. They have followed D'ark there and have found that he has created a dark chocolate empire of evil. It is up to the heroes to defeat him and stop his nebula wide domination of the chocolate market. They meet new characters along the way such as Princess Lelu Oranginia, Captain Shillane and the weaselly Geeva. Can they again defeat the Dark Lord and put the universe to rights?