"Three months ago, Lena Nguyen's estranged twin sister, Cambry, drove to a remote bridge sixty miles outside of Missoula, Montana, and jumped two hundred feet to her death. At least, that is the official police version. But Lena isn't buying it. Now she's come to that very bridge, driving her dead twin's car and armed with a cassette recorder, determined to find out what really happened by interviewing the highway patrolman who allegedly discovered...

When Ryan dies in Afghanistan, he leaves a letter asking that his friend Beckett watch over his sister, Ella. Beckett has already been corresponding with her under his nickname, Chaos, and after leaving the service he goes to visit Ella, who is the mother of twins. One of the twins has been diagnosed with leukemia, and Ella is dealing with the illness while running a business-- singlehandedly. When Beckett becomes part of Ella's life, will his promise...