The re-imagining of VE Day in 1945, when Princess Elizabeth and her sister, Margaret were allowed out from Buckingham Palace for the night to join in the celebrations, and encounter romance and danger.

Sam, a neurodivergent man, has a daughter with a homeless woman who abandons them when they leave the hospital, leaving Sam to raise Lucy on his own. But as Lucy grows up, Sam's limitations as a parent start to become a problem and the authorities take her away. Sam convinces high-priced lawyer Rita to take his case pro bono and in turn teaches her the value of love and family.