In a world where an AI programme allows people to communicate with their deceased loved ones, a flight attendant and a mother question the meaning of reality and humanity.

• Bom Film Productions
• Kirin Productions
• Tang Wei
• Suzy
• Park Bo-gum
• Jung Yu-mi
• Choi Woo-shik
• Gong Yoo
• Tang Joon-sang
• Seong Byeong-suk