When the Sun Sets is a novel about a boy named Darien Jones aka DJ, who is put through trial after trial. DJ is a misunderstood teenager like every other teen with a trusted best friend and a life like no other. He doesn't have too many friends and his family members are spread across the United States, so there is no one who he can really talk to. DJ complains that waking up to a new day is just another boring day in his everyday life. He suffers the lost friendship of his best friend, Chris, and the death of his mother. DJ then has to move to Atlanta, GA, with his aunt and uncle he hasn't seen in many years. They have 2 children, Marcus and Angel. Marcus's jealousy of how his mother and father treat DJ creates hate in his heart. He makes a crazy decision against his very own cousin, and DJ is left with... You'll have to read the whole book to find out how everything happens, and the result of what went down; between DJ and Marcus.