Henry Allen's Cabin
Barry visits his father at his remote cabin and tells him about losing his powers to Zoom in episode 2x20 “Rupture”.
The new Cicada takes Orlin to a remote cabin and reveals she is an older version of Grace in episode 5x16 “Failure is an Orphan”. Orlin wakes up and leans that a future version of Grace has come back after taking up the Cicada mantle in the future in episode 5x17 “Time Bomb”. Older Grace returns with the stolen device and checks in on her unconscious younger self in episode 5x19 “Snow Pack”.
Appears in 3 additional episodes.
Grace hallucinates her father while working on the device.
Grace completes her work on the cryoatomizer while continuing to hallucinate her father.
The team tracks Grace through the woods guided by her anger and Nora enters young Grace's mind to convince her to take the cure.