Ciara Kelly is joined by her Newstalk Breakfast co-host Shane Coleman to review Episode 1 of Season 4 of 'The Crown.'

Prince Charles meets Lady Diana Spencer while waiting to go riding with her elder sister. The Conservatives win the 1979 election, making Margaret Thatcher Britain’s first female Prime Minister. Charles continues to see Camilla, who is now married. Lord Mountbatten and two children, including Lord Mountbatten's grandson, are murdered by an IRA bomb planted on his fishing boat. Travelling home from a fishing holiday in Iceland, Charles receives Mountbatten’s letter criticising his affair with Camilla, and urging him to find a suitable wife. Thatcher promises to defeat the IRA. Mountbatten's funeral is held. Princess Anne resumes her showjumping career; at the event Charles chances upon Diana again, and subsequently asks her out.