To be honest, I'm still a bit confused about the storyline since anything related to sc-fi thingy is really not my forte.

But overall, I can understand the big moral story here, that everything should be started within ourselves.

We should love ourselves before loving others, should be happy before making others happy, because how can we make other happy and loved if we don't have those feeling in ourselves?

The acting was great, I love to see Lee Tae Vin specifically because he could portray his character really well, the sadness, frustration, depression, and happiness, all those could be seen in his eyes, in his expression.

His chemistry with Cha Joo Wan is something that make this series loved by many. It is no wonder that this series has got such a high rating here.

The kissing scene at the beach is actually sweet and romantic but somehow the background music was kinda annoying for me.

It's really a worth to watch series, highly recommend it.