Here we have Claudia with a laptop she can take anywhere in the world yet she insists on watching these incriminating disks in Sonny's house where the door is never locked, she almost always has her back to it & anyone can & does walk in. Get in your car & watch it there. Then, go tear the house apart looking for the next one.
Then, there's Kate, who's more interested in sayin "Nyah, nyah. I know what you did!" to Claudia than just opening her mouth & telling Sonny about the DVD. If he knows her as well as she thinks he does, than she won't need the DVD itself. She's in the a burning hospital, fighting the effects of a toxic poison & she sends her supposedly beloved cuz back into the contaminated room to get the DVD.The most ridiculous part of her threats is she actually thinks she's scaring Claudia, the daughter of a psychopath who's threats really mean something. If she keeps it up, Claudia will prove she learned from her mistakes & kill Kate herself.
Meanwhile, Jerry, who is alive & well, is probably having a good laugh watching the women make fools of themselves & the last DVD is probably someplace Claudia won't even think to look & someplace Sonny will stumble onto it right after he tells her he loves her & wants a real marriage.