Sipowicz and Sorenson investigate the death of a woman who was killed for her valuable coin collection. Evidence points them towards her son who might be supporting his drug habit. Meanwhile, Russell and Kirkendall are investigating the robbery of a courier truck; the courier that secures the truck car is the company that Mike Roberts now works for. So Roberts comes to the squad to give them information about who probably have pulled the job. In addition he needs to talk with Sipowicz about his something that is on his conscience, but isn't able to get to the particulars that are bothering him. Robert's tip to the squad about the dispatcher, who leads them to the perpetrators whom, are going to use the same M.O. and commit another robbery. Although, the tip doesn't look good in the eyes of Roberts' boss, since Roberts had greenlighted the background check of the dispatcher. Mike Roberts warns John Irvin that rich people who've been humiliated will take their revenge. Later, John realiz