Rainbow is the most elite counter terrorism unit in the entire world and is composed of operative from many military forces such as Delta Force, SAS and the FBI SWAT to name a few. However when NIGHTHAVEN, a PMC run by Kali ends up cutting ties with Rainbow, operative Cole "Renegade" Baker feels like there is more than meets the eye with their sudden disappearance from Rainbow. Upon further investigation, this leads to a chain reaction that will lead to an unknown threat that seeks to end Rainbow's existence.
3 parts