Good Samaritans help save Harvey victims

An elderly couple was reunited with the two men who used jet skis to save them and a furniture store owner opened his doors to flood victims.
6:41 | 08/31/17

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Transcript for Good Samaritans help save Harvey victims
Reporter: If there's been a ray of sunshine poking through Harvey's storm clouds, it's the flood of good samaritans flowing into Houston. Perhaps most notably that flotilla of private boat owners. This is unbelievable. Reporter: Risking their own safety to rescue hundreds of stranded homeowners. You know, we're a little different down here in the republic of Texas. We look after each other and we take care of our own. Reporter: This now famous photo says it all. A man on a jet-ski rescuing Houston grandmother Karen Spencer from her flooded home. Another photo shows a second jet-skier retrieving her husband, J.C. Both men left to do more rescues before the spencers could even catch their names. After the story went viral, the identities of the rescuers were revealed. The mother of one of the Jess skooeers posting a message on Facebook, "My son, an Iraq and Afghanistan veteran. Thank you for your service and your continued service in Houston, Texas." Hey, miss Karen. It's good to see you. Reporter: And just today "Nightline" was able to connect the rescued couple with their previously anonymous saviors. Their names? Keith Christiansen and Winston savis Jr. We thank you. No problem. I mean, someone has to do it. You're a hero. You're a hero. I was just thanking the lord for you guys. And knowing that there are risks and now we've heard people killed. And trying to save other people. I'm so thankful. You know, so my heart was filled with gratitude. Reporter: And all across Houston we've seen plenty of others, including businesses answering the call. Workers stuck inside this bakery during the storm decided to stay up all night baking bread to feed first responders. Many residents also giving away free meals. And air bnb working with local hosts to provide free rooms for evacuees. ?? okay. No problem. Reporter: But you could argue no businessman has made a bigger splash than this textbook Texan. Jim Mcinvale, better known as mattress Mac. You want your furniture delivered when? Save you money. Reporter: Owner of the high-end gallery furniture stores in Houston. How can I help? Reporter: When Harvey hit town, Mac hit record on Facebook, offering a free port in the store. We've got lots of beds, lots of foods, lots of water. You can even bring your animals. We welcome you if you need a place to stay. Reporter: While the evacuees at the convention center are sleeping on cots or on the floor, here at mattress Mac's they've got plush beds and soft leather couches. Matt Gutman. How are you doing? Nice to meet you. How's this bed? Oh, it's soft. I think it is the most fantastic thing that could have ever been done for us. For him to do this, it just goes above and beyond what I thought, you know, would happen. Because I just thought we was going to go like to a shelter and, you know, it would be like really hard times for us right now. But now being here, oh, I'm so relaxed. At the end of the day we still want to sell this furniture. So we want to make people comfortable. We want them to feel safe. We want to provide them with the needs, the essential needs that they have. Reporter: Okay. Give them a place to take a shower and eat. And so we welcome them into our home like it's theirs. Reporter: It's Sunday gallery furniture says it's had hundreds of people staying at its stores. Those folks have been getting room plus board. Really good chow. Tonight's menu, courtesy of a donation from a local restaurant. What are you eating there? Prime rib with mashed potatoes. Prime rib and mashed potatoes. bon appetit. The smiles here contagious. It's really, really good. Reporter: This has also become a crash pad for a National Guard company on break. These $12,000 beds quite the upgrade from their standard issue cots. And he's not concerned about any wear and tear. Furniture's made to be set on, slept on, laid on, whatever. It's a product. It ain't going to hurt it. Are you going to resell the product afterwards? Absolutely. We'll have a Harvey floor model sale or something. I'll come up with some shtick. Reporter: But beyond the comfy digs there's something you can't put a price tag on, and that is peace of mind. When it said gallery furniture, I was like they've got to be joking. Reporter: For the last three days Carol, her daughter and two grandsons have called this living room display home. Displaced by Harvey, Carol is also a survivor of hurricane Katrina in 2005. So you were also in Katrina. I was also in Katrina. I never thought I'd be in here that we would go experience the same thing. But we did. Reporter: Back then she was trapped on the sixth floor of a building in New Orleans. We got rescued by the coast guard. And he took us to this convention center in new Orleans. How many people were there? Oh, hundreds and hundreds and hundreds. And it was horrible. Reporter: This time she was rescued by the fire department, which brought her to Mac's place. He didn't have to do this. And he made it so comfortable. When I left home, I left home without some of my medications and some of my medical equipment. And they supplied it. Reporter: Meanwhile, celebrities have also stepped up to the plate. The Kardashians have pledged half a million dollars to Harvey relief. And Sandra bullock has donated a million dollars. It's very tough to watch your city get hit by such a bad storm and not be there to help. Reporter: And Houston Texans football star J.J. Watt has launched a fund-raiser that's raked in over $7 million. It's an unbelievable thing to witness, what happens in a time of crisis. The most difficult times bring out the best in humanity. And I think that's what we're seeing right now. I think we're seeing humans helping humans. It doesn't matter. Rich, poor, black, while. It doesn't matter. Everybody's helping everybody. And I think that's what's most important at a time like this. Reporter: From the big names to the unsung heroes, it's all a testament to the spirit of Texas. And we are overcomers. Yes, you are. And Houston is destined to be a greater city than it has ever been. And you wait. And you see. We're going to see some awesome things happen in Houston. We will. Waverunner. Waverunner. Reporter: For "Nightline" I'm Matt Gutman in Houston. Our thanks to Matt Gutman.

This transcript has been automatically generated and may not be 100% accurate.

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