Domenico Cimarosa: The Secret Marriage, an opera in two acts

l matrimonio segreto (The Secret Marriage) is an opera in two acts, music by Domenico Cimarosa (17 December 1749, Aversa, Province of Caserta -- Venice 11 January 1801), on a libretto by Giovanni Bertati, based on the play The Clandestine Marriage by George Colman the Elder and David Garrick. It was first performed on February 7, 1792 in Vienna, at the Imperial Hofburg Theatre, in the presence of Emperor Leopold II.
The action takes place in 18th century Bologna.
Paolino has secretly married Geronimo's daughter Carolina. Their situation is complicated by Carolina's aunt Fidalma, who loves Paolino, and by the arrival of the Englishman Count Robinson who, although betrothed to Geronimo's other daughter Elisetta, falls in love with Carolina. After much scheming and amorous intrigue, the truth about the marriage is revealed and all ends happily.