Matthew Kelly travels through France on his way to the battlefields of Flanders, hoping to solve the mystery of his great uncle Albert, who died in a prisoner of war camp in 1917. To find out how he came to be there, and how he died, Matthew must retrace Albert's footsteps through the war. Former England cricketer Phil Tufnell wants to find out what life was like for his grandfather, Mechanic 1st Class William Tufnell, in the Royal Flying Corps on the Western Front.

• Kate Silverton
• Kirsty Wark