Georgia high school teacher Tara Grinstead's suddendisappearance in 2005 goes unexplained for 11 years until asurprising statement to law enforcement from Bo Dukes, aformer student, names his friend and former classmate, RyanDuke, as her killer. Fighting for his freedom, Ryan Duketakes the stand at his trial to assert who he says is the truekiller. Will his testimony be enough to convince the jury hedidn't murder Tara Grinstead?