Fifteen years ago, Abi lost Luke to her best friend, Heather. It ended both their friendship and Abi’s future with the love of her life.
Now the couple has come crashing back into Abi's fragile world. As a struggling single mother, she can’t handle any more complications. Yet despite her better judgment, she and Luke become close again. Then he asks her to persuade his wife to save their crumbling marriage. But Abi is still in love with him, and she can just as easily end it. It seems an easy decision, until she reconciles with Heather and realises that she can’t lose her best friend twice.