A young man named Holden wakes up from a 12-year coma and discovers new supernatural abilities that propel him into the middle of a dangerous conspiracy.
Holden attempts to forget about his encounter with Willa, but waking nightmares derail his attempts to seem average. When he learns Kevin is missing, he worries for his safety.
Now that Holden remembers what happened during his coma, he decides to make a fresh start. The surprising arrival of another coma survivor, Charlie, makes Holden question his allegiance to Willa and Arthur.
A cornered Holden is lured into helping Frost achieve his decades-long ambition of reaching the Bridge. Jeff, Willa, and Luke join forces and race to rescue Holden from Hollow Sky before it's too late.