When Hillsborough County Sheriff's Deputy Lance Knott's wife, Tampa Police Officer Kasey Knotts, 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 Jacob. But like all law enforcement officers, Kasey 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, Kasey wrote seven. Knowing how hard Lance will take her death, Kasey 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 Kasey's words to comfort him, Lance 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.