Complex sentence: Owens regains consciousness, gets shot running across the yard but manages to get hold of the gun hidden earlier by Holt and is engaged in a gun battle with Tevis when Callie wanders back into the yard.
Split into simpler sentences: Owens regains consciousness, gets shot running across the yard, but manages to get hold of the gun hidden earlier by Holt. He is engaged in a gun battle with Tevis when Callie wanders back into the yard.