In World War II London, nine-year-old George is evacuated to the countryside by his mother, Rita, to escape the bombings. Defiant and determined to return to his family, George embarks on an epic, perilous journey back home as Rita searches for him.

In World War II London, nine-year-old George is evacuated to the countryside by his mother, Rita, to escape the bombings. Defiant and determined to return to his family, George embarks on an epic, perilous journey back home as Rita searches for him.

When intelligence agent Kathryn Woodhouse is suspected of betraying the nation, her husband – also a legendary agent – faces the ultimate test of whether to be loyal to his marriage, or his country.