Upstairs Downstairs Episode 4 - All The Things You Are

Determined to impress Beryl, Harry signs up to the local boxing championships and, when he is told he is too old, recruits Johnny to keep his dream of winning Beryl over alive. However, after seeing Johnny receive his call up letter, he grows to want to prepare Johnny for war by teaching him the skills he needs to survive.
Upstairs, as the distance between she and Sir Hallam grows, Lady Agnes finds herself drawn to Caspar Landry, with whom she finds she has a deep connection. Sir Hallam, meanwhile, is distracted by the looming war and his growing desire for another woman but when he gets a very public reminder of Agnes' independence, an explosive, and very public, confrontation ensues... and Sir Hallam makes a decision that will change his life forever.
Meanwhile, when Mr Amanjit’s blossoming friendship with Mrs Fuller falls foul to racial discrimination, he calls into question, not only their relationship, but also his position inside 165 Eaton Place.