Alice is realistic, especially about love. One day, she is taken to the world of heart, which is full of danger. For example, an owner of a hat shop is a gangster, and every theme park worker carries a gun. Almost all of people are dangerous. But she somehow starts to enjoy her life there after she is forced to take a drug not to be able to come back to the original world. How is she going to come back? And is she going to fall in love with someone?