Kei keeps her truck rolling day after day, always thinking of her young daughter, Iku, who lives apart from her. Kei’s protégé, Maako, also drives a truck to pay her little sister Mio’s school fees. One day, Kei spots Mio taking money from a middle-aged man. Not long after, word comes that Maako has quit her job…

"What happened to the sister bound by such a strong bond? The Young Mama Trucker hits the Dekotora highway once again!"