Arkady Renko, former Chief Investigator of the Moscow Town Prosecutor's Office, made too many enemies and lost the favour of his party. After a self-imposed exile in Siberia, Renko toils on the 'slime line' of a factory ship in the Bering Sea. But when an adventurous Georgian woman comes up with the day's catch, the signs of murder are undeniable. Up against the Soviet bureaucracy in a complex international web, Renko must again become the obsessed, dedicated cop he once was. And in doing so, he discovers much more than he bargained for?