Honestly, with stories like this, there are always two options; It is real or fake. We've seen so many stories about having visions of the future so it's not shocking to see her believe it, but I will say the writer played it safe by making all the "unfortunate" events around the girls.
So the only consequence is, memories.
How can an exciting movie turn into a sad love story? !!! I was very sad after the plot developed until the end of the movie. The plot twist was very unexpected and unexpected !!!! It would never have occurred to me that dreams of Canada would be such tragic moments for Soo Jin. A little slow at first but it's interesting to know the truth about her true memories!
(So ​​I refuse to admit this ending and I will think that they finally escaped their misfortunes and lived happily ever after.)