Helen Hartmann is starting life over in post-WWII New York City. Her job, her social life and new relationships are everything she's ever wanted. But when a date turns into disaster, she turns to her new friend Clementine for advice. As Helen learns Clementine's past, her perspective on what it means to love and sacrifice shifts, and her life and dreams begin to change in ways she never could have imagined. Against the backdrop of the 1950s Cold War and inspired by real lives and events, Mountains of Manhattan delivers the energy of the era and the weight of life's enduring questions of loyalty, truth, friendship and love.