Lifetime's 'Missing and Alone' is a thriller movie that follows Shannon, a woman who decides to dedicate her life to her daughter and her work after the untimely death of her husband.Lifetime's 'Missing and Alone' is a thriller movie that follows Shannon, a woman who decides to dedicate her life to her daughter and her work after the untimely death of her husband.Lifetime's 'Missing and Alone' is a thriller movie that follows Shannon, a woman who decides to dedicate her life to her daughter and her work after the untimely death of her husband.