S1, E1: Kim Ha Na's late mother, Yoo In Ae, never took good care of herself because all she cared about was her family. She didn't buy anything for herself as she wanted to spend money on her three kids. The three siblings became decent grown-ups, and the mom's hardship seemed to be over. However, she developed cancer and passed away. Ha Na always feels lonely, even surrounded by her loving family, and misses her mom dearly. She has many things to say to her mom when she meets her again in virtual reality.