Captain Giakoumis makes the big decision to forsake the sea and live peacefully close to his wife and his adopted son, Andreas, who is about to sit for examinations in order to become a lieutenant. However, a terrible secret burdens his soul. He has a daughter, Agni, whom he had years ago when he had an affair with Maria, a prostitute from Troumpa. Maria, before she died, expressed the wish that Giakoumis recognize their daughter as his child. He, however, refused, since Agni ended up becoming a prostitute. The girl, to take revenge on her father, starts an affair with her half-brother with the intention of dragging him down into the mud. In the end, however, she falls in love with him, and this love blesses everyone and everything.

The poor and orphaned Manto tries in every way to care for her sick father. An equally poor musician falls in love with her, but she is in love with Loris, who is of bourgeois origin. Loris falls victim to a plot hatched by a cunning woman. He abandons Manto, who soon gives birth to their child. The poor musician stands by her, but she...