In the summer of 1950, 128 overseas elites with the heart of serving the country embarked on the journey home on the "President Wilson". Nuclear physics notes were stolen, the fresh water system was destroyed, poisonous snakes attacked, time bombs were hidden, and the enemy was closing in step by step. The seemingly ordinary sailors and professors turned out to be martyrs who protected the country in the stormy waves, composing a passionate epic about the return of an innocent son.