Joseph and Lindsey are a famous, talented, and wealthy young couple who reside in their hometown of Plotagon City, and have earned the title of Plotagon City's most famous and richest couple. They have appeared in films and television shows, including their favorite, Love Birds. Joseph's siblings and friends support him and Lindsey's relationship; however, Joseph's incarcerated and maniacal ex-girlfriend Beryl opposes the relationship.

Dirty Harry Callahan returns again, this time saddled with a rookie female partner. Together, they must stop a terrorist group consisting of angry Vietnam veterans.