When a girl of "the four-hundred" falls in love with a boy of "the seven million."
A product of the Bowery, Trent Regan grows up to become a powerful gangster. Regan's girlfriend Angie Miller, hearing that her childhood sweetheart (and Regan's lifelong pal) Mike Cassidy is about to marry Marjorie Church, pays a visit to Mike to offer congratulations. Convinced that Angie is fooling around behind his back, Regan accidentally kills her.
