Diane is a writer struggling to make a living. One day, she meets the famous singer, Eda, who asks for the blue leather described in Diane's novel. A huge fan of Eda, Diane tries to find the leather after her latest work was rejected only to find out her ex-fiancee had left long ago with the blue leather. Taking Eda's hand, Diane takes her onto a journey by train in search of the leather. A woman with big dreams, Diane hopes to succeed as a writer, while Eda years for the sea. As the nights together lengthen the two begin to fall in love with each other's stories and with each other.