Maxine - the talented musician of the Kite family - is overjoyed to land a job as cellist with Birmingham's prestigious orchestra, until Brent Shackleton introduces her to the new world of jazz. Soon, she is the star of his band, and she loves this hectic new life and the glamour that surrounds it. She even finds time to fall in love with Howard Quaintance - though their lives couldn't be more different. Brent Shackleton, however, resents Howard and vows to lure Maxine away from her staid boyfriend - with Howard's unwitting help.