Both dramas deals with emergencies during rough times, the end of the world.

Also the idear of a natural disaster or the end, in a way, of our world.

Both dramas deals with the idea of progress and the problem of clones or designer babies.

Both are dramas about secrets, action, romance and with a spy who is charismatic and full of mystery.

Also a story about the legend of nine tails fox but with several stories.

The same idea of people who were given an extra time after their sudden death