Halo 4: Forward Unto Dawn official HD Trailer.

In 2525, as humanity has started to colonise area, a list of cadets are exercising to battle against individual insurrectionists. One of these cadets, Johnson Lasky, has questions about his capabilities as a knight and his beliefs for this war. While he battles with himself, the earth is penetrated by an unidentified unfamiliar competition.You can watch the official trailer of this movie from here.