

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 this situation. Meanwhile, Ha Won and Ji Soo speak to each other on the phone for the first time in seven years and plan to meet up.
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 Woo. After their meeting, Ha Won’s device finally starts working. Meanwhile, Seo Woo gets a weird request from her new boss.
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 this situation. Meanwhile, Ha Won and Ji Soo speak to each other on the phone for the first time in seven years and plan to meet up.