As mentioned already, a dream was the manifestation of the subconscious mind to enact their deepest desires. It was also the last barrier of defense against the things we wished to hide and protect deep in our souls.
The more we were willing to hide the truth the higher the defenses would be.
For Hae-Won, the criminal career of her husband was both a source of shame and a sin that brought to her unimaginable levels of anguish…
It created a contradiction between her own personal values and the loyalty she instinctively felt for her dear husband.
Mixed with all that was the knowledge that if anything happened to her husband, neither she nor her child would be able to have the wonderful and normal life that she was hoping to live beside her husband.
All those emotions made it so that the question Adam asked was no different from pouring water in an anthill and watching the terrible result unfold before one's own eyes.