After Troy has been destoyed, Aeneas is on a quest to find and build a new Troy
He sails to carthage and instetly falls in love with Dido(their Queen).
He stayed for a while. One night he was told by the greek gods in a dream to find a new troy. He left in the morning. Dido was so upset that she run through the castle grounds lots of times before commiting suicide. Before she was killed, she but a curse on Aeneas and all his descendants that carthage will have a war with with their city.