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Dimitris Thalassias is a single singing teacher at a senior high school in Athens and undertakes the care of a child abandoned by its mother at the door of the foundling hospital. He does everything required to raise it right, but he sees his life changing unexpectedly, since his fiancée leaves him, and his relations with his students go from bad to worse. While this is happening, the mother shows up to claim her child. In the end, everything is corrected, and a solution is provided through marriage.