A politician's daughter, who has never experienced freedom, falls in love with an ordinary man in Cuba, only to discover he's a new employee at her hotel. A cross-class romance thus begins. Kim Jin-Hyeok (Park Bo-Gum) is an ordinary young man. He tries to find a regular job and works part-time jobs in the meantime. As he closes on his 20's, Kim Jin-Hyeok decides to take a trip to Cuba. There, he meets Cha Soo-Hyun. They have a brief encounter. When he goes back to Korea, he receives a phone call from a hotel. Prior to leaving for Cuba, he had an interview at the hotel for a job. He learns that he is now hired and Cha Soo-Hyun is the CEO.