Nurlan is a train driver heading to Baku, Azerbaijan for the very last time before he retires. While the train weaves its way toward its destination, it unknowingly catches a blue brassiere off of a clothesline somewhere. When Nurlan discovers this, he sees it as an opportunity to escape his looming lonely retired life. He rents a small room in Baku and excitedly begins one of the most adventurous journeys he will take in his life: finding the owner of the blue underwear.