After meeting her unconventional roommates, Mia attends her first class with Dr. Lorenz and cozies up to the professor's research assistant, Jasper.

As Mia makes a last-ditch effort to obtain proof about Dr. Lorenz's experiments, Jasper begins to unravel over his feelings of betrayal.

On the run and with time running out, Mia turns to her friends for help in a life-and-death race to save the train's passengers.