An elderly woman stands at the edge of a mountain, touching the clouds. As she prepares to fall into the abyss, she reflects on the one great love that defined her life - and the one regret that still haunts her. If only she could live her life all over again ...

Waking in the staff-only area of a plane, 26-year-old Zara Monroe shakes off a strange dream and returns to her duties as a flight attendant. With a troubled past behind her and a heart wide open to possibility, she lives for the adventure of the skies. When a chance meeting in Italy sparks an inexplicable connection with a handsome stranger, her world is forever changed. And when fate brings them back together, Zara instinctively knows their love is meant to be.

As Zara and Jay fall into the kind of deep, soulmate love most only dream of, their bond is tested by the past, by tragedy, and by a future that refuses to follow the rules. And as Zara keeps returning to her mysterious dreams of mountaintops and clouds, she begins to wonder ... can a love written in the stars rewrite the course of a lifetime?