True Story Behind Festival Featured in Horror Film 'Midsommar'

A new film is putting a scary twist on a Swedish tradition. "Midsommar" is about a young American couple who take a trip to the annual Midsommar festival. It's a celebration that goes back centuries to welcome the arrival of warm weather. Today festivities involve big gatherings of family, friends and food. But could this horror film be giving people the wrong impression of an otherwise family-friendly event?'s Mara Montalbano has more.