Call of Duty: Ghosts takes place following a catastrophic event that changed the global balance of powers in the world. As a result the United States is no longer recognized as a superpower. Ten years after the event an unseen enemy emerges as a threat but the remnants of US special forces from every branch came together to create an elite group of soldiers known as the "Ghosts" who are determined to eradicate all threats to protect the weak and the remains of America.