This is a detective quest in the old Shanghai of the beginning of the 20th century. It was time when well known Shanghai mafia was born. Triads, gangsters, gorgeous casino and breathtaking secrets – all this is for real detectives! Two quest heroes, Dragon and Jade investigate a horrible crime. Dragon is familiar with Kung fu and he is very good at fighting. And you will not find anyone better than Jade in case you need to chat with someone. You need to take turns in using these skills and go through all the corners and blocks of the old Shanghai. Fight back the gangsters, solve the puzzles and look for the criminals!