You will find out the truth of a mystery in the lighthouse. At the beginning of the game, you will find yourself in the front of the submachine. You have some clues, such as a fragmentary diary, a wisdom gem and so on. You should keep on clicking and try your best to find or point things. You can walk on and follow the instruction. You can see various things in the deserted rooms, such as scruffy chairs, an old gramophone and so on. What hidden information can these things provide us? You can click and use them properly. You can also read the diary and find some useful clues to find the truth.