Plot Summary:The high-achieving daughter who lives abroad has died unexpectedly, and the happy family becomes a \"lost family\" overnight. The mother, who rarely communicates with her daughter due to busy work, has an emotional breakdown. The father buys an AI speaker installed with the daughter's voice and even her thoughts in attempt to alleviate the mother's pain. However, as the mother becomes addicted to AI, the father starts to feel ignored. On the morning when the father was going to have a talk with his wife, the AI provided an unexpected answer to the mother.