WATCH: First look at Saoirse Ronan in epic movie set during the Second World War
Saoirse Ronan can be seen searching for her missing son in the trailer for Sir Steve McQueen’s historical drama Blitz. The film, set during the Second World War, follows the journey of a nine-year-old boy called George, played by Elliott Heffernan, who embarks on a journey home to east London after his mother sends him to the English countryside.