Have you ever wanted a time machine

to travel back to the past

to change a certain event or happenings?

Do not deny, we all do. For good, or for bad, we all wish for this at some point of our lives.

And of course, 

it's the same for Nam Jae In.

 She had always wished to travel back to the past, to change many things. She thought her life would be better.

And it was just a wish,

and when it comes true,

she regretted.

Follow her, in the journey to the past.