The Heartbeat Operator: Hye Eun studies literature at Jeonju University. One day, she falls in love with Seung Bin but is disappointed to see that he has a girlfriend named Joo Ri. Suddenly, an Indian girl with magic appears in front of her and she gives her a heartbeat operator! Hye Eun is happy to lure Seung Bin with the device, but he has a problem with his heart. Eventually, he discovers what the device really is. Will Hye Eun receive true love?