Hooky Hidalgo, adventurist and popular live streamer, has gone missing while climbing Denali! When his girlfriend, Becca, arrives in Alaska to retrace his steps, she soon discovers something beyond the dreamy landscape. There's a conspiracy deep within the heart of Denali itself-a dark pyramid, silent, waiting. Teaming up with a local conspiracy theorist named Shailene, Becca-and the scores of Hooky fans determined to either find him or find some fun-will face freezing temperatures, avalanches-.and monsters to discover a truth that will change her life forever.