My One and Only (2009) Spoiler-Free Summary – What It's About

The neon‑glittered streets of 1953 New York give way to endless highways as Ann Devereaux steps away from a marriage that no longer reflects her vibrant spirit. A former society bandleader’s wife with a flair for the dramatic, she packs the family’s baby‑blue Cadillac and sets out with her two teenage sons in search of a fresh start—and perhaps a new love who can match her exuberance. The film’s tone bubbles between bright, almost cartoonish optimism and the tender melancholy of a woman redefining herself against the backdrop of post‑war America, where the open road promises both freedom and uncertainty.

Dan Devereaux lingers only as the catalyst for Ann’s departure, his infidelity hinting at the emotional stakes without casting him as a villain. With her sons—George, a sardonic aspiring writer who observes the world with a wry notebook, and Robbie, a flamboyant teen dreaming of spotlight—Ann becomes both mother and adventurer, navigating the shifting roles of caregiver, pursuer, and self‑discoverer. Their dynamic crackles with humor and friction: George’s dry commentary balances Robbie’s flamboyance, while Ann’s impulsive charm keeps the trio constantly on the edge of the next spontaneous decision.

The road trip itself is painted as a living, breathing landscape, a mid‑century Americana tableau where motels, diners, and impromptu encounters swirl around the family’s quest. The film’s style leans into rich, saturated colors and a jaunty score, underscoring a comedic yet heartfelt journey that feels both nostalgic and surprisingly modern in its exploration of identity and resilience. Laughter and tears mingle as the Devereauxs confront the everyday challenges of new schools, modest lodgings, and the ever‑present hope of finding a partner who can complement Ann’s larger‑than‑life personality.

Through witty banter, lingering glances, and moments of quiet reflection, the story hints at deeper bonds forming beneath the surface. It invites viewers to wonder how far a mother will go to rewrite her own narrative, and what unexpected strengths emerge when a family learns to lean on each other while chasing horizons that stretch far beyond the familiar city skyline.