The story revolves around Rebecca, a young woman trapped in the mundanities of her marriage to Raymond, a staid schoolteacher. Yearning for excitement and passion, she reminisces about her intense romance with Daniel, a free-spirited writer, whom she left for a more conventional life. Feeling suffocated, she impulsively decides to ride from her home in France to Daniel's apartment in Germany on her Harley-Davidson motorcycle, which had been a gift from him. Embarked on this journey, Rebecca struggles with conflicting emotions of love, guilt, and desire. As she speeds through picturesque landscapes, her leather-clad figure becomes a symbol of liberation from societal norms and her own inhibitions.

The narrative weaves between Rebecca’s present journey and her memories of the past, providing insight into her psyche. She recalls moments of wild passion intertwined with feelings of existential musings about freedom. Along the way, she encounters various strangers who influence her thoughts and emotions further. Recollections of conversations with Daniel reveal a relationship defined by intensity and intellectual connection. The open road becomes a metaphor for the journey of self-discovery as Rebecca grapples with her choices and what she truly seeks in life. This introspective odyssey challenges her perceptions while fueling an inner conflict about where she belongs and with whom she desires to be.