Diego's latest attack hits close to the Matthews home, leaving Holden and Charlie to try and explain what is happening to a frantic Tom and Diane. Agent Borden furthers her plan to take down Hollow Sky, while Luke and Willa take drastic steps.
Faced with a frightening threat from the Realm, Holden attempts to fix what is broken—getting assistance from an unexpected source. Luke and Willa make a horrifying discovery that has further ramifications than even they understand. Tom and Diane are stunned to realize the depth of what is going on with Holden. And Willa and Luke come face to face with Yellow Jacket.
Holden and Jeff step up their efforts to learn about Edgar Abbott, and uncover more than they bargained for. Willa turns to Luke for help in understanding what's going on with Holden—leaving Luke conflicted. Charlie begins to comprehend the danger Diego presents, and has a tense confrontation with a surprising foe. Meanwhile, Diane and Tom struggle with how to continue their work for Agent Borden. And as part of his new role at Hollow Sky, Yellow Jacket pays a visit to Pastor Ian.
Holden turns to Charlie for help in understanding what is happening with him and the Realm, but she is reluctant to share why she's back in Ft. Reed. Jeff digs up info on the mysterious Edgar and what his connection to Holden might be. Diane and Tom feel pressured to learn more about Pastor Ian. Meanwhile, Willa and Holden realize they need to work on their communication.
Willa shows up unexpectedly at the Matthews house for an uncomfortable "meet the family" dinner. Willa struggles with trying to convince Arthur to let go of the Realm, while she and Holden try to navigate their relationship. Meanwhile, Charlie learns some surprising secrets during an unauthorized house call—at Yellow Jacket's request.
In the Season 2 premiere, Holden throws himself into his new "normal" life, working a regular job and furthering his relationship with Willa, but he can't shake the feeling that something is coming. Meanwhile, Diane is asked to make a huge sacrifice to further the investigation into Hollow Sky, one that doesn't sit well with Tom, and Charlie reappears hiding a secret, and acting on orders from Yellow Jacket.