San Francisco homicide detectives Terry English and Hildy Mulligan investigate what originally appear to be two unrelated murders. Ultimately, they learn both victims have ties to Silicon Valley prodigy Erich Blunt.
A single murder case is dissected from the committing of the crime through to the investigation, arrest and trial.
Murder in the First follows homicide detectives Terry English (Taye Diggs) and Hildy Mulligan (Kathleen Robertson) as they investigate two seemingly unrelated murders. The mystery deepens, however, when they find both murders have a common denominator in a Silicon Valley wunderkind (Tom Felton).