The action takes place on the island of Andros, where Orsa, 20 years old, and her younger sister, Moscha, live. Orsa is deeply in love with Spyros Matabes, a lieutenant, but she has never revealed her secret to anybody. On the other hand, Moscha dreams of leaving Andros and escaping women's fate of marrying sailors, who are usually away from their families. Their mother, Mina, who is married to a captain, considers love to be a trouble and, overriding their emotions, wants her daughters to make wealthy marriages. As a result, Orsa gets married to captain Nikos Vatokouzis, and Moscha to Spyros Matabes, a captain now with whom her sister is in love. The two women live in the family's duplex home and the forbidden love will harm their lives.