Joo-Eun and Tae-Hoon are married and they have a 6-year-old daughter named Hee-Soo. As working parents, they are busy, but enjoy happy times together. Their world suddenly changes when Hee-Soo dies in a car accident. Joo-Eun and Tae-Hoon experience tremendous grief over their loss. With the help of VR program developer Joon-Beom, Joo-Eun and Tae-Hoon meet Hee-Soo again through virtual reality.
