They say that life begins at 40. Others say it begins when you least expect it. But Son Chaeyoung, is different. Hers starts at 1 AM. But in every 1 AM her life starts differently.

Start: June 1, 2020 End: June 8, 2020 Mina lost the person she loves and her will to live. The day she planned her suicide something happened and things changed. Will Mina finally found a reason to live? Or will she found another reason to leave?

Tzuyu admired Chaeyoung from afar and felt happy (and a little nervous) when she found out they'd be in the same group. They become friends quickly and they all became closer but there was still something different with her feelings something more. She fell in love. It's been over a year since she realized she was in love...but will she finally let go?

The high school reunion didn't go as well as Sana was expecting. Meeting her old friend Chaeyoung after more than 10 years will be a turning point in her life. What's the reason and how will they manage to deal with it?

"It's okay.. I'm always here. You're safe with me" m.m:// Even after the toughest storms, sun shines after. After joy, there always be sadness waiting on its time.