However, when David tried to enlist, he was rejected by Michael due to his asthma condition. Still convinced to join the army, David angrily walked away. Later, Michael found David at a bar, and dropped him off at his house to his sister, Susan.
After flirting with her again. Michael discovered that Susan’s father died in the Battle of Vimy Ridge. Susan and Michael then formed a romantic relationship over a course of a few months. Unknown to Sarah and Michael, David had secretly asked Cassie’s father to give him a note of recommendation to the enlistment office. However, David thought that the war would be a romantic travel instead of the gruesome tragedy that would await him. Susan and Michael also decided to travel to Europe to partake in the war, Sarah as a field nurse and Michael as a soldier to keep David