Lisa suggests Homer try online therapy. Annette the therapist brings him back thirty years ago to the day that Grampa got notes from Mona that she was wanted by the FBI and was leaving them. To avoid having to explain it, Grampa told then 9-year old Homer she was dead. At 16, Homer received a post card from Utah from Mona, which was secretly being monitored by the FBI. Homer confronted his father about the truth, and he and Grampa then traveled to Utah to track Mona down while being followed by the FBI. They spotted Mona at a gas station, but as she ran out to meet them, she was spotted by the FBI, who pursued the three into a canyon. When Grampa got stuck in a small gap, Homer had to choose between his mother and his father and went back towards Grampa. Mona managed to escape in the van of a hippie and left for San Francisco.
