Riley, originally a happy young man in Illinois, has talked about marriage with his girlfriend Isabel, along with friends Sophie, Bob and Gray who grew up together. Sophie and Bob are going to get married, while Gray loves Isabel. When the war came, Riley joined the army like other young men, although he only drove to the field hospital, but after witnessing the horror of the war, Riley's mind changed. After returning to his hometown, he repeatedly postponed his marriage to Isabel on the grounds that he had to spend time thinking about the meaning of life. Under the arrangement of Uncle Isabel Elliot, Riley was arranged to go to Paris for a rest. Six months later, Isabel went to Paris to find her fiance, only to find that Riley lived in a bad place. Although she was in a good mood, she knew that he would no longer be able to return to the United States as a stockbroker and lead a rich life. Isabel, who had long been accustomed to a rich life, took off the engagement ring Riley gave her and returned to the United States to marry Gray, who had been pursuing her. Riley made a living by selling his strength in Paris. He read a lot of books and, inspired by chance, decided to go to India to find the truth of life. During his journey in India and Nepal, his spirit gained.