When Sherloque wants to use a memory machine on Barry and Nora to help gain access to Graces memories, Nora panics, fearing her parents will find out the secrets shes been keeping from them. Nora secretly decides to use the machine on her own which ends in disaster after she gets trapped inside Graces mind. Barry and Iris go in after their daughter and Iris is brokenhearted by what she finds. Meanwhile, Ralph tricks Cisco into going out for a night out on the town.