In the 26th century, Earth's United Nations Space Command and the Covenant, a coalition of aliens, are engaged in a war within the Halo universe for ultimate control, in a collection of four stories depicting various conflicts during the struggle.

After a second robot attack on the Taylor farm leaves the family picking up the pieces once again, Roman's younger brother Oswald becomes increasingly suspicious of Jet Jones's connection with the flesh and blood family that has harbored him. A new evil looms on the horizon and the Taylors will need Jet's help to stop it if they are to keep the farm, and the family, safe.