In The Present Day, An New Threat From The Dead Future of Earth Has Arrived In The Digital World, The Evil Kilokahn Release Even Stronger Mega virus monsters to wreck computer systems! With the Help Of The Undead King Infrax! & His Army Of Mutants!

Meanwhile, Neutron Armor Servo Program Prototype From The Future & Earth Hope Is Sent to Stop Them, His Body Was Damaged but Thanks to An New Anti Program With The Help Of The V-Tech Order Resistance, He Merge With Leader Shepard Into Servo Sigma, He Team Up With Mecha Like Zenon & Drago to Become Battle Armor.

Together, They Become The New Superhuman Samurai Syber-Squad Sigma!.

-----------------------

The Heroes.

Shepard: Neutron Armor Servo/Servo Sigma.

Zenon/Synchro.

Drago/Phormo.