The sea is the Mediterranean, and ‘overseas’ refers the Italian colonies in Africa, new properties in which fascism intended to send millions of Italians to the reinforce the regime's occupation. Among those who departed was the director's uncle, who one day, back in the family home in Romagna, comes across many of the letters and photographs he had sent to relatives. On the trail of a hidden secret, the documents are brought to life by the voices of women and men who, as children, moved to Italian East Africa. Discovering something well known yet moving: they did not set off for any ideological reasons but for misery, hope, fear, and desire for adventures. Thousands of very human motives tied up with the threads of History to all those who seek a better life.