The ads during Super Bowl 51 certainly had their highs and lows, but one of Sunday's most talked-about ads left viewers with a cliffhanger.

The 1-1/2-minute offering from building materials company 84 Lumber focused on a Mexican mom and daughter on a journey to leave the country. We see them pack up their belongings and hitch a ride on the back of a pick-up truck, following the pair as they make their way through a desert and cross a river.

But that's where the ad ends, the company directing viewers to its website to see the rest of the story. Enough people did just that that it reportedly crashed the site.

Didn't get to see it? Here it is:

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