When Oneida County Sheriff's Deputy Brian Preston's wife, Utica Police Officer Heather Preston, dies in the line of duty, he loses not only the love of his life, but also the mother to their two-year-old son Colton. But like all law enforcement officers, Heather wrote her, "Open When" letter. The last words of love that a fallen officer leaves behind for their grieving loved ones. But instead of one heartfelt letter, Heather wrote seven. Knowing how hard Brian will take her death, Heather plans ahead. Beginning the day before her funeral, she leaves a series of letters to her husband, designed to ease his grief over the first seven days following her funeral. As each day passes, each new message fills him with heart-wrenching memories and of smiles and laughter from years gone by. With Heather's words to comfort him, Brian slowly learns the true meaning of the words, "True love never dies." And through their journey, we will discover why, the three words "I love you" are words that are meant to be shared, experienced, and felt, before it is our time to say our final goodbye.