On the tenth anniversary of their marriage, Vivian is blindsided when her beloved husband of ten years, Vincent, suddenly asks for a divorce. What she doesn't know is that Vincent has been diagnosed with terminal cancer and has only 90 days left to live. Unable to bear the thought of making Vivian watch him die, he cruelly hides the truth, undergoes facial reconstruction, and returns to her life as a complete stranger. With only ninety days remaining, Vincent is determined to fulfill a promise that only he knows. But just as Vivian finally opens her heart to love once again, they are forced to face the cruelest goodbye of all.