ira's girlfriend, kelly gribulek. and her target? >> susan. susan bernstein. >> reporter: ira's wife.arently, his girlfriend had cooked up a cold-blooded plan to end his marriage problems for good. but detectives fitzgerald and louzan didn't think kelly was working alone. >> we're thinking of another scenario. >> reporter: so they asked marckensy to push kelly for a meeting with her partner. and she agreed it was a good idea. >> i thought you said you guys talked it over, you guys been over it? >> yeah. we did. >> reporter: and then it happened. later that night, they both showed up. who was kelly's partner? and how far will they go to get the deed done? >>> coming up -- >> the money is not a problem. i'm telling you right now. >> together they have a new job for the hitman. >> this is where this whole story goes a little bit hollywood. >> yeah, literally. >> when "dateline" continues. >>> as ramapo detectives continued to investigate the plot to kill susan bernstein, they became convinced that kelly gribulek was not acting alone. that someone else was the mastermind. investigators ha