Under Quarantine

The world is in chaos! There is a highly contagious virus causing an epidemic and much of the population is under quarantine. Nevertheless, you‘ve risked coming to our detective agency to try and crack our newest case: the disappearance of Professor Marks. The world renowned microbiologist has been missing since this morning and along with him, the newly developed formula to the vaccine to fight the virus. He announced his scientific advancement yesterday and began acting strangely after receiving a mysterious telphone call. Why was he acting so strangely and who was he talking to? Don‘t waste any time. Make your way to his apartment, get inside and search through everything! Time is of the essence!