The U6 is one line of the Vienna underground transit system. The silver and red trains carry stories, many stories. A woman mourns her musical lover, and a man discovers his courage. A Syrian family flees to a fragile new beginning, and a young man helps circus performers during a pandemic. Lovers rediscover each other after decades apart, and a man finds a father he never knew. A contract is broken, and neighbors defend their own. Eighteen tales of love lost and found, of the darkness within us, and the glimmering light that keeps us afloat. Unforgettable characters struggle against the pressures of an impersonal world, and against the burdens they carry within. Welcome, Reader, to the stories of the U6.