Twenty two year old Sumire is in love with a woman seventeen years her senior. But whereas Miu is glamorous and successful, Sumire is an aspiring writer who dresses in an oversized second-hand coat and heavy boots like a character in a Kerouac novel. Surprised that she might, after all, be a lesbian, Sumire spends hours on the phone talking to her best friend K about the big questions in life: what is sexual desire and should she ever tell Miu how she feels for her. rustrated in his own love for Sumire, K consoles himself by having an affair with the mother of one of his pupils. Then a desperate Miu calls from a small Greek island and asks for his help, and he discovers something very strange has happened to Sumire.
Sputnik Sweetheart finds Haruki Murakami in his minimalist mode. Shorter than the sweeping Wind-up Bird Chronicle, less playfully bizarre than A Wild Sheep Chase, the author's seventh novel distills his signature themes into a powerful story about the loneliness of the human condition. "There was nothing solid we could depend on," the reader is told. "We were nearly boundless zeros, just pitiful little beings swept from one kind of oblivion to another."
The narrator is a teacher whose only close friend is Sumire, an aspiring young novelist with chronic writer's block. Sumire is suddenly smitten with a sophisticated businesswoman and accompanies her love object to Europe where, on a tiny Greek island, she disappears "like smoke." The schoolteacher hastens to the island in search of his friend. And there he discovers two documents on her computer, one of which reveals a chilling secret about Sumire's lover.