The sequel to Halo: Truth Behind Reach, this story goes past that, following the same Marines as they continue their journey through the Halo Universe.

What happened to master chief? War started on earth with the covenant and UNSC. An ODST is sent to find others to fight the covenant. While in space, captain Keys finds something that could save the rest. Hopefully Cortana is able to track it and find Master Chief. What is the UNSC hiding....