It's a five-part short story on the achievements of an ARC Trooper-turned-lieutenant, Lt. Wefive. It is set during the Clone Wars, near the end of it, actually, the last year of the war. Troopers wear the new armour and Lt. Wefive himself wears a combination of the ARC and the new armour.
It is 2 years after the revealing of the SEPARATIST conspiracy and the beginning of the CLONE WARS. The JEDI fight droids alongside the faithful Clones, while the Separatists use guerilla tactics to evade and attack the REPUBLIC.
LT. WEFIVE, a former ARC trooper with limited experience is sent into the fray of battle on the outer rim planet of DURANKHIA. His squad dispatched from the Republic captial CORUSCANT, they travel a long distance to Durankhia.
Troubled by the unexpected arrival of the CLONES, the Separatists decide to ambush the Clones on Durankhia. Lying hidden and using the element of surprise, they wait for the coming of the Republic...