Gillian and her friends survived the perils of Southern Mountains with the help of an unexpected ally. To decipher the encrypted message Joshua had received from JSA 674 before losing the connection to the outside world, they need to find the missing encryption keys, which, as the only organic-based entity in the simulation, only Gillian can locate. Can they find them all before Sheila enslaves the people of the simulation? But first, can Gillian survive the distractions of the simulation, the outside world, and most of all, her heart?