Hetty Feather - Season 1 Episode 6 -

An army sergeant visits the hospital to recruit a drummer boy, the successful candidate being decided on the outcome of a series of tests. In the event the sergeant picks both Walter and Matthias - who has stood up for his friend against the bullying Vince but Matthias declines the offer, stating that his fight is within the hospital. Meanwhile Hetty and Sheila are forced to work together in the infirmary and call a brief truce whilst they help to bring the withdrawn Charlie out of his shell.