sure. >> the case boyd underwood came back for.thanks for watching. i'm craig melvin, and i'm natalie morales. and this is dateline. they danced on their wedding day as beauty and the beast to stay beautiful. she they lived a good life until that strange terrible day. >> he found her there. dead. a tragic accidents. or was it? >> a weig

. >> the case boyd underwood came back for. the case of his life is closed. >> that's all for this edition of dateline. i'm natalie morales, thanks for watching. i'm craig melvin, and i'm natalie morales. and this is dateline. they danced on their wedding day as beauty and the beast to stay beautiful. she they lived a good life until that strange terrible day. >> he found her there. dead. a tragic accidents. or was it? >> a weight machine? she doesn't lift weights. a home gym mysteriously turned death trap. her husband, suddenly a suspect. >> hello and welcome to dateline, it's the case of a fifth young woman who -- her family was told it was a freak accident in a gym. the kind of thing that could happen to anyone. equipment does malfunction, but so does relationships. here's dennis murphy with the beauty and the beast relationship. >> the images are fuzzy on the old home video of the wedding reception. but anyone who is there remembers the event vividly. >> the wife is the chance in the -- beauty in the beast. but then, it was