starred Robert Conrad as Deputy District Attorney Paul Ryan, a tough-minded, hard-hitting prosecutor in Los Angeles County who was assisted by criminal investigator Bob Ramirez (Ned Romero).

He prosecuted all types of cases under the watchful eye of his supervisor, Chief Deputy District Attorney H. M. "Staff" Stafford (Harry Morgan, who directed at least one episode himself).

A two-part cross-over episode began on another Webb show, Adam-12, in which officers Malloy (Martin Milner) and Reed (Kent McCord) made an arrest.

Co-star Morgan also accompanied Webb's Joe Friday character on the 1967–70 version of Dragnet as Officer Bill Gannon; during the next two seasons, he appeared on Mark VII's Hec Ramsey.

and modified it for his hour-long detective drama Law & Order by eliminating the narration but utilizing instead a Dragnet-style dialog between characters.

A law enforcement officer comes under scrutiny because of the number and type of deals he makes with the criminals he arrests.

A student radical is arrested and charged with conspiracy to violate the law governing the control of a deadly weapon.

A trial's outcome hinges on the testimony of a woman against a drug dealer, but her own substance-induced emotional instability may undo the D.A.

Paul Ryan and the District Attorney's Office are finding out just how difficult it is to get a conviction in a case of alleged child molestation.

Things start to go south for Ryan's case when the District Attorney's main witness shows signs of a coming nervous breakdown.

Ryan has to tread carefully but can't shrink back in the prosecution of a public official accused of corruption and extortion.