Watch the heroic rescue of a puppy from an icy river

This might be the most chilling video you'll see all day (no pun intended).

Two men heard a dog barking and yelping frantically. They followed the sounds and realized the poor pup was stuck in an icy river with nowhere to go.

Without thinking, one man jumps into the freezing water and swims after the dog. What happens next will shock you.

Watch the video above to watch the dramatic rescue.

Scroll through to see more dramatic rescues:

7 PHOTOS
animals being rescued during Hurricane Matthew
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animals being rescued during Hurricane Matthew
A woman rides in a boat down a flooded street with her dog that she rescued from her home as a result of Hurricane Matthew in Lumberton, North Carolina, U.S. October 12, 2016. REUTERS/Carlo Allegri
A search and rescue official holds a dog he rescued from a flooded home in a flood area caused by Hurricane Matthew in Lumberton, North Carolina, U.S. October 10, 2016. REUTERS/Carlo Allegri
A rescue official loads a dog into a rescue truck in a flood area caused by Hurricane Matthew in Lumberton, North Carolina, U.S. October 10, 2016. REUTERS/Carlo Allegri
A member of FEMA hands a child his dog on a truck as people are evacuated from a flood area as a result of Hurricane Matthew in Lumberton, North Carolina, U.S. October 10, 2016. REUTERS/Carlo Allegri
National Guard Sgt. Michael Martine carries a dog through flood waters as they rescue residents and their pets from a mobile home park inundated by rising river waters after Hurricane Matthew hit the state, in Lumberton, North Carolina on October 10, 2016. REUTERS/Jonathan Drake
LUMBERTON, NC - OCTOBER 12: Two men rescue a dog from floodwaters on October 12, 2016 in Lumberton, North Carolina. Hurricane Matthew's heavy rains ended over the weekend, but flooding is still expected for days in North Carolina. (Photo by Sean Rayford/Getty Images)
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