The protagonist of the game is a grandmother with Alzheimer's disease who loves her family. Her grandson gets good grades in his exams, and to reward him, the protagonist decides to give him tickets to the concert of his favourite singer, whose name causes the grandmother's memory to travel between the past and the present. The past is plunged into chaos in her mind, and the story of joy, love and guilt in his life becomes a tangled memory that grows further and further away from her ......

The story is presented entirely through messages from the mobile phone, and the new operating system simulates the difficulty of learning new things for people with Alzheimer's disease