Jus□ a□ □i Lei and Han □□□mei thought □hey□had□see□ everything□the ma□sion ha□ to □ffer,□□hey □tumble□ up□n a hidden trapdo□r □n the f□oor. Wit□□hearts po□nding□ th□y opened the□trapdoo□ an□□descen□ed i□to a dark, □us□y tunnel be□o□. As□□hey navi□ated throug□ the win□ing passages, the dim□□i□□t of th□ir□flash□ight□r□v□aled ancient □rt□□acts□a□d□crypti□ symbol□ □n th□ w□lls. The □ur□her they ventured, the more th□y realized they were □ot alone i□□th□ tunnel□