Řina Weberová, the daughter of a retired colonel, is the proprietress of a poorly prospering photo-studio. Her elderly friend, banker Václav Novák, is secretly giving her financial support because he is in love with her. One day Řina meets a childhood friend, Vincenc Špaček, who has started his military service in Prague. The enterprising Vincenc with his inseparable fellow-soldier Vendelín Křídlo give Řina's studio a great deal of advertising in their garrison, so that the soldiers flock to Řina to be photographed by her. Even First Lieutenant Novák turns up there one day and at once falls in love with Řina. Řina's father finds out that banker Novák has been visiting his daughter and wants him to marry her. Novák would like to do so with pleasure, but when he learns that Řina loves First Lieutenant Novák, his own son, he steps aside. The young couple no longer has anything standing in the way of their happiness. Vincenc and Vendelín - the army twins - are pleased that they were able to help Řina.
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