Ralph Arguello Is A One-time Criminal, Now Married To San Antonio Policewoman Ana, And A Friend Of Private Investigator Tres Navarre. When Dna Evidence Emerges, Tying Ralph To A Long-unsolved Underworld Killing On Mission Road, And Ana Turns Up Murdered, Ralph Runs To The Only Person He Knows Can Help Him. On The Run From A City-wide Manhunt, Tres Arms Himself And Heads Back To Seedy Mission Road In A Bid To Discover What Really Happened Eighteen Years Earlier And Clear Ralph's Name . . . But Some Secrets Are Better Left Buried. A Classic Of Texan Tension, Mission Road Is The Dramatic Sixth Book In The Multiple-award-winning Suspense Series By The Internationally Bestselling Author Of The Percy Jackson Novels.