A few months have passed since the events of the first game. Another group of people find themselves captured and placed in an abandoned bunker deep underground. They don't remember how they got there, but they are desperate to find a way out. Grace is lucky that two of her friends are there with her, but soon enough they find out that they're not alone there and there are others who were also captured. They're being put through a sick game of some kind.
Simultaneously, Claire the detective is put on the case to find the kidnapped people. It is believed the same person who was responsible for the ordeal Claire went through is also responsible for this. Claire hurries to solve the case and to find the victims as time is ticking and their lives are in great danger.