Become Hal, an inspector with the ability to manipulate the past. Your mission is to solve a crime in the city where no crime is possible. Investigate in the real world and the dream world. Solve the mysteries that the citizens and places hide and survive the threats that will try to stop you. You're the only one able to reveal the truth and avoid the foresight of the destruction of the city after 7 days to become true!

Welcome to artificial marine city, Astrum Close. Crime rate: 0.001%. Here, dreams are utilized to ensure crime is prevented before it even happens. The founder of this so-called paradise, Professor Albert Rumford, is killed in an unprecedented, theoretically impossible incident. Special Supervisor Hal is assigned to this extraordinary case and tasked with getting to the bottom of the mystery. Why was the Professor murdered? What is going on in this idyllic metropolis? Perceive past memories with the ability that lies in your left hand. As you get closer to the truth, you will plunge deeper into danger. The Clocktower has lain still for 12 years. When the closing bell rings, the final seven days will begin.