Fact1: American World War II veteran Jerry Mulligan is exuberant expatriate trying to make reputation as painter, Fact2: friend and neighbor is struggling concert pianist and longtime associate of French singer, Fact3: lonely society woman and heiress takes interest in him and art, Fact4: Jerry After goes up to Milo 's apartment singing with French children on way home, Fact5: Milo does not know while in presence tired of Milo Jerry gets out of car and bids farewell girl
Output: American World War II veteran Jerry Mulligan Gene Kelly is an exuberant expatriate in Paris trying to make a reputation as a painter. His friend and neighbor, Adam Cook Oscar Levant, is a struggling concert pianist and longtime associate of a French singer, Henri Baurel Georges Guetary. At the groundfloor bar, Henri tells Adam about his cultured girlfriend, Lise Bouvier Leslie Caron. Jerry joins them later, before going out to sell his art. A lonely society woman and heiress, Milo Roberts Nina Foch, finds Jerry displaying his paintings in Montmartre and takes an interest in him and his art. She brings him to her apartment to pay for his works, and invites him to a dinner party she is throwing later that night. After singing with French children on the way home I Got Rhythm, Jerry goes up to Milos apartment. He quickly finds out that the party is actually a oneonone date, and tells Milo he has no interest in being a paid escort. When he attempts to leave after giving her money back, she insists that she is only interested in his art. They go to a crowded bar, and Milo offers to sponsor an art show for Jerry as a friendly gesture. Some of Milos friends arrive, and while sitting with them, Jerry sees Lise seated with friends at the next table, and is instantly smitten. He ignores Milo and her acquaintances, and instead pretends to know Lise already and dances with her. She is standoffish and gives Jerry a wrong phone number, but is innocently corrected by someone at her table. Heading home, Milo tells Jerry he was very rude cavorting with a girl he does not know while in her presence; tired of Milo, Jerry gets out of the car and bids her farewell. The next day, Jerry calls Lise at her work, but she tells him to never call her again. Jerry and Milo meet at a cafe, and she informs him that a collector is interested in his paintings and she arranged a showing later that day. Before going to the showing, he goes to the parfumerie where Lise works and she consents to a late dinner with him,. She does not want to be seen eating with him in public, but they share a romantic song and dance on the banks of the Seine River in the shadows of Notre Dame. However, she quickly rushes off to meet Henri after his performance Ill Build a Stairway to Paradise, where Henri tells her he has been asked to go on a tour of America and asks her to marry him. Later, Adam humorously daydreams that he is performing Gershwins Concerto in F for Piano and Orchestra for a gala audience in a concert hall. As the scene progresses, Adam is also revealed to be the conductor, other members of the orchestra, and even an enthusiastic audience member applauding himself at the end. Milo gets Jerry an art studio and tells him she has planned an exhibition of his work in three months. He initially refuses the studio because he does not have the money for it, but eventually accepts it under the condition that he pay Milo back when his art proceeds allow him. Roughly a month later and after much courting, Lise abruptly runs off when she and Jerry arrive by taxi at his apartment. When Jerry complains to Adam, he is shocked to realize that both Henri and Jerry are involved with the same woman. Henri and Jerry discuss the woman they each love S Wonderful, unaware she is the same woman. That night, Jerry and Lise reunite in the same place on the banks of the Seine close to Notre Dame. She informs him that she is marrying Henri the next day and going to America. Lise feels a sense of duty to Henri, to whom she feels indebted for keeping her safe during World War II. She and Jerry proclaim their love for each other. Feeling slighted, Jerry invites Milo to the art students masked ball and kisses her. At the raucous party, with everyone in blackandwhite costumes, they meet Henri and Lise, and Jerry finally tells Milo about his feelings for Lise—soon, Henri overhears Jerry and Lise saying goodbye to each other, and realizes the truth. As Henri and Lise drive away, Jerry daydreams about being with Lise all over Paris to the tune of the George Gershwin composition An American in Paris. His reverie is broken by a car horn, the sound of Henri bringing Lise back to him. They embrace as the Gershwin composition and the film ends.