Wave Warrior Sonic EXE 2 Dark

Wave Warrior Sonic EXE 2 Dark is a turn-based action game. Shadow's childhood friend, Tikal, has been kidnapped by dark organization that also known as Dark Neo. And so he has no other choice but to save Tikal, but....it seem shadow is already too late....
because tikal has get tricked by dark neo, and join their organization. what will happen next?