For 40 years, the QE2 reigned as the world's most illustrious cruise liner - travelling 6 million miles, circumnavigating the globe 25 times and carrying over 2.5 million passengers. This documentary tells the incredible story of this feat of maritime. Charting the QE2's story with a wealth of archive footage alongside interviews with former crew, passengers, historians and engineers, this compelling two-part series tells the story of how the most luxurious ship in the world became the flagship of Britain.