Honor Among Thieves
Side quest
Novigrad suggested level 9
From the journal
It turned out even thieves have honor. Rico had not lied - the King of Beggars truly did reward Geralt handsomely for the services rendered to his subordinate.
Geralt freed a halfling named Rico from certain and painful death at the hands of thugs in Whoreson Junior's casino. The halfling promised Geralt his employer - the King of Beggars - would repay the witcher for this help.