Ellie was seventeen when she fell in love with Andrew, a handsome older boy in medical school. Though she was filled with joy when he proposed to her, she began to feel trapped by the thought of a future with him and his single-minded devotion. When Ellie was caught with another man on the day before their wedding, they canceled the wedding in heartbreak. Twelve years later, Ellie is struggling as a single mother and caring for a daughter with a serious heart condition when Andrew enters her life once again as Hetta's doctor. She has no right to feel regret, no right to think of him and what could have been. She was the one who ran. But why does her heart feel so unsettled?