During World War II when the German ruling, including in France, where many people are trying to get out of there. And as destination the destination is Lisbon. But to achieve the Lisbon could not be simpler. The route of the need to rotate far enough and will be up in a city in Morocco, namely Casablanca. From there to fly to Lisbon should have a travel permit that is expensive and must be signed by Captain Louis Renault (Claude Rains) of the French police. In Casablanca there was a man of considerable influence and even respected by Captain Renault, namely Richard Blaine (Humphrey Bogart) or familiarly called Rick. He is the owner of the largest and best-selling cafe in Casablanca. Rick himself was indifferent and do not care about any thing but himself. Until one day a man leave his transit letter to Rick number 2 sheets. Apparently he was a member of the French resistance movement against Nazi Germany. On that night the man failed to escape from the pursuit of the German army. On the same night there came Victor Laszlo (Paul Henreid), which is one of the French resistance leader and his wife Ilsa Lund (Ingrid Bergman) in which they had just entered the Casablanca and tried to go to Lisbon. But because of the trust people had been killed, he could not get a letter such transit without knowing it has changed hands a letter to Rick.