48 - Citadel DLC - The Assassination As the Reapers enter the Milky Way galaxy and begin their efforts in eradicating all higher forms of life, Commander Shepard, reinstated in the Alliance Military must try and unite the races in a coordinated effort to prevent their extinction. Of course, not only are the Reapers going to prevent this, but there are politics and inner factions making this effort a tasking effort.