다급하게 돈이 필요하게 된 레이와 릴라는 동업자가 되어 얼어붙은 세인트로렌스강을 통해 불법이민자들을 밀입국시켜 큰 돈을 벌게 된다. 그러나 마지막이라 생각한 밀입국에서 둘은 국경 경찰에 쫓기게 되고, 레이와 릴라는 힘겨운 선택을 강요 받게 된다. (Ray and Lila, two desperate women, transcend their differences and enter a dangerous game smuggling illegal immigrants into the United States across the frozen St. Lawrence River in an attempt to make some quick money. One last run brings them to the brink of aster and forces some hard choices

Ray Eddy, an upstate New York trailer mom, is lured into the world of illegal immigrant smuggling. Broke after her husband takes off with the down payment for their new doublewide, Ray reluctantly teams up with Lila, a smuggler, and the two begin making runs across the frozen St. Lawrence River carrying illegal Chinese and Pakistani immigrants in the trunk of Ray's Dodge Spirit.