Defending Jacob unfolds around a shocking crime that rocks a small Massachusetts town and one family in particular, forcing an assistant district attorney to choose between his sworn duty to uphold justice and his unconditional love for his son.

After engaging in an affair, a lawyer finds himself suspected of his ex-lover's murder. A suspense thriller, an American prosecutor finds himself the prime suspect in a sensational murder case, and discovers that the system of justice to which he once vigorously committed himself is now aggressively pursuing him and threatening to destroy his career, family and even his life.