What if an even more deadly mutated version of the COVID-19 virus were to emerge one year after the start of the world-wide pandemic in early 2020, and within weeks of the global roll-out of several new COVID-19 vaccines? On January 21, 2021, just outside of Boulder, Colorado, a domestic house cat unknowingly infected with the COVID-19 virus and owned by the Chief of Trauma Medicine at the Denver Health Medical Center, is attacked by a coyote in the back yard of its owner's acreage. Although the cat initially survives, it becomes patient zero for the new mutated version of the virus. After the death of the cat and its owner from what first appears to be a re-infection of the COVID-19 virus, the United States Centre for Disease Control discovers the true nature of this new and possibly devastating threat to the world. The race to control the new mutated version of the corona virus, COVID-21, and develop a new modified vaccine begins with Operation Coyote. Dr. John Benson, a renowned Canadian forensic wildlife biologist, RCMP Inspector, and senior strategist with INTERPOL's Wildlife Crime Working Group, together with Dr. Kate Beckett, long term colleague, romantic partner, forensic wildlife biologist, and a senior Special Agent with the United States Fish and Wildlife Service Office of Law Enforcement, are chosen by the Democrat controlled White House to run Operation Coyote. What happens over the ensuing four weeks could influence the fate of the world's population and economy....