Season 1

Ha Won runs a company called AH and is an AI programmer. His latest project is a conversation device with his own personality programmed into it. Ha Won wanders into a recording studio where he meets sound engineer Seo …

Seo Woo blames herself for meddling in Ha Won and Ji Soo’s complicated relationship and causing Ji Soo pain, but she can’t help but grow more curious about Ha Won. She ends up telling the man she calls Before Dawn about…

Seo Woo has a tough time after Ji Soo’s accident in Norway. However, she finds herself worrying about Ha Won more than herself and is caught off guard by these emotions. Ha Won wants to know more about Ji Soo through Se…

Ha Won still wants to know what the point of reaction was for Ji Soo’s conversation device. As Seo Woo continues to help bridge the gap between Ha Won and Ji Soo’s character within the device, the two become closer to e…

Seo Woo’s feelings for Ha Won are now out in the open. Seo Woo is quite embarrassed by this, but she continues to help Ha Won get closer to Ji Soo. Finally, Ji Soo agrees to have a conversation with Ha Won. However, Seo…

Ha Won is determined to stop liking Ji Soo. Seo Woo tries to stop having feelings for Ha Won as well, but Before Dawn keeps showing up at the recording studio. Meanwhile, In Wook finds out who the phone number Ji Soo ha…

Ha Won is determined to stop liking Ji Soo. Seo Woo tries to stop having feelings for Ha Won as well, but Before Dawn keeps showing up at the recording studio. Meanwhile, In Wook finds out who the phone number Ji Soo ha…

Seo Woo feels that her one-sided love is slowly growing into something more than that. However, Seo Woo keeps thinking of reasons why she shouldn’t let her emotions go on any further. Meanwhile, Min Jung, the newest res…

Seo Woo’s unrequited love has developed into mutual feelings between her and Ha Won. They continue to enjoy each other’s company at the house that belongs to the shipping address and Seo Woo even makes her debut as a so…

The day of In Wook’s recital approaches and he is grateful to Soon Ho for bringing him out of his slump. However, Ha Won realizes that In Wook is Ji Soo’s husband who is connected to his mother’s death. Ha Won wants to …

Ha Won confronts In Wook at his recital and finally learns the truth about his mother’s death. Seo Woo tries hard to help Ha Won recover from the confusion and pain. Feeling betrayed, Ha Won refuses to take Soon Ho’s ca…

Seo Woo tells Ha Won that she needs some time apart. Ji Soo’s personality within the device figures out what happened to her in real life and asks Seo Woo for a difficult favor. Ha Won also works up the courage to retur…