Kyle, William, Natalie, and Richard are not likely friends. With such different backgrounds, they never would have met outside of the subway station. But when their train becomes stalled unexpectedly, they have no choice but to turn to one another. Personalities clash and tensions rise. In the midst of crisis, with nothing but time, these four strangers reflect on their problems and insecurities, defining who they are now. Slowly, they begin to realize how much they really share. Despite initial difficulties, they bond and come out stronger on the other side of the darkness.