Case 3 - The Locked Cake Room - part 1
Tong and Galileo came to a famous bakehouse only to find that the owner of the bakehouse had disappeared. Suddenly, Carlos Hu and his secretary arrived, too. After they broke into the shop, they found the body of the owner. However, the door was locked from the inside, the inside of the window was blocked with a cake. The scene was a completely locked room.
