Synopsis by Sandra Brennan
In this mystery, a Scotland Yard agent must break up a ring of jewel thieves. He goes undercover and successfully infiltrates the gang, but trouble begins when he finds himself falling for one of the late gang members' widows, and she learns his real identity. She threatens to expose him until he decides to quit the Yard and become a real criminal. Fortunately, Fate intervenes, and he accidentally leads the gang to the waiting police.
agent [representative], criminal, espionage, expose [revelation], friendship, gangster, group, identity, infiltration, investigation, jewel-robbery, love, opal, police, robbery, Scotland-Yard, widow/widower