As the Clone War was firing up, the Republic and Separatist seem to be at a stand still. In a surprising move, the Separatists attack the remote world of Rhen Var. As the Jedi soon discover, it is the first step in a Confederacy plot to assemble an ancient Sith weapon of mass annihilation by absorbing the power of the force named the Dark Reaper. Anakin Skywalker, Mace Windu and Obi-Wan Kenobi lead their forces on the scattered battlefronts of Rhen Var, Raxus Prime, one of Kashyyyk's moon and Thule to stop Count Dooku's scheme.