The story begins with a fire that breaks out in İstanbul.
Ali who is the leader of the fire-department, and his men enter the scene A paperboy  yells out to announce that the heir(eer) of Austria has been assasinated which triggered the First World War. Right at this moment, the news arrives that Sergeant Avni Baba, a loyal friend of Ali, is killed in his coffee-house by Arif the Rowdy(ravdi), a rival of Ali. Sergeant tells in his will that he entrusts his daughter Zeliha, and his coffee-house to Ali.

Ali and Zeliha fall in love with each other. The daughter of wandering florist, Ladybug  lives in Spain and supposes her mother as one of the rich, smart set of people living in İstanbul. Ladybug has, for long, been telling fake stories and deceiving her on letters with the letterhead of “Pera Palace” of İstanbul which she pinchs from the Hotel. But when she learns that she is coming back to İstanbul to get engaged to the son of a Spanish Count, she collapses. In the meantime Ali and Arif the Rowdy have defied each other.

With the enforcing of Zeliha, Ali leads and gets Ladybug and his vagabonds settled in Pera Palace. A plot is set to be displayed for Ladybug and the Spanish Count.
The musical ends with the final wedding scene. In the meantime Ottoman Empire has been dragged into the war. Wrapped in free - for - alls, entertainment, indifference and being heedless, public is not aware of the situation the country is immersed in.