As the midnight train whistle echoes a second time through the valley, the digital countdown hits a critical juncture. Tracing ThePhantomFudd's encryption trail back to the lodge's basement archives, the crew uncovers a dusty trunk from Christmas 1974 that unlocks a deeply buried secret about Henrietta's past. While Alex works frantically via video link to decode the final data block, Holly and Jenna are forced to confront their own fears of the future, discovering that their legendary basketball debate holds the key to solving the historical puzzle!