1. Part 1

After Jonathan Dakers learns of the death of his father, he reminisces about his childhood.

2. Part 2

Due to financial constraints resulting from his father's death, Jonathan is unable to continue his training to be a surgeon, and Harold quits Cambridge for medical school.

3. Part 3

Jonathan performs a life-saving tracheotomy on a young girl with Diphtheria.

4. Part 4

Summer 1914: With World War I on the horizon, Harold enlists as a Captain and is posted to the Dardanelles. Though eager to serve, Jonathan is exempt. Morse confides that he has repeatedly proposed to Rachel but been turned down; he claims she is in love with Jonathan.