This is the dramatic moment a man busts his ‘cheating wife’ allegedly having sex with another man in a supermarket car park.

The clip, reportedly filmed outside a Costco in Newfoundland, Canada, shows a man storming his wife’s alleged rendezvous in an empty car park while a man swiftly and quietly leaves the scene in his own vehicle.

In the footage, the man, thought to be her husband, asks ‘Karen’ who she is having sex with, but she vehemently denies any wrongdoing while chasing after the cameraman.

The man follows her back to the car where the seats can be seen to have been folded down flat.

As the woman props up the seats, the man shouts, “so you’ve been f****** him in the back seat?”

Woman folds up backseats while denying any wrongdoing to her husband.

He then threatens to show the footage to her mother.

Woman folds up backseats while denying any wrongdoing to her husband.

In retaliation, she asks if he has “found anything on my f****** phone”, presumably in reference to any incriminating communications or videos with other men.

She continues to press her innocence and screeches that she “wasn’t doing anything” in protest to his persistent confrontation that she was “f****** him” – despite being a married woman.

The pair get into the car and he throws a box of tissues at her.

The clip was shared on social media where viewers were quick to give their conclusions.

The man threatens the woman by saying he will show the footage to her mother.

One person who appears to know the couple personally, defended the woman: “No one’s gonna talk about the fact that they separated three weeks ago according to HIS Facebook so it literally isn’t his business?”

Others speculated the chap was making a scene to pin the failing of the marriage on the wife.