There has been a sea-change in European politics. After the financial crisis in Greece, Germany has taken steps to protect her loan repayments from Ireland and has installed a minister in the Irish government in an 'advisory' capacity to guarantee repayments are made.
Scotland has left the United Kingdom and England has exited the European Union. It is in this scenario that a schizophrenic megalomaniac makes his move to take over Ireland by force as a dictator.
He starts by trying to recreate the Irish Confederacy of 1642. He gathers a group of influential people with republican sympathies and persuades them to sign an Oath of Allegiance.
To ensure that the British Prime Minister will listen to his demands, he abducts Prince Charles and Camilla, Duchess of Cornwall. He also has hundreds of bombs hidden in major cities in England, Ireland and elsewhere. Bombs he can detonate with just a phone call.
When one of the New Confederates becomes disaffected, the British Secret Service recruit him to help spoil the dictator's plans, but he has no experience in espionage.