Caroline Muirhead met Sandy McKellar on Tinder. The relationship developed quickly: a whirlwind romance grew into an engagement, and within a couple of months the couple was planning a wedding. But the girl’s harmless question cast doubt on the entire relationship and revealed a terrible secret from Sandy’s past - he killed a man and buried the body in the forest. Despite this, Caroline did not break up with Sandy, which is why her life turned into a real trukrime. “Cold” tells how it ended.