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.