□p>Li Lei and Han Meimei were two a□ven□ur□us souls who□alwa□s □ought□e□cit□ment □□d thrill in t□eir l□ves. They□were best friends □□nce childhood□□nd sh□red a passio□ fo□ explo□ing the un□nown. □ne □ay, as t□ey were □itti□g und□r th□ old oa□ tree in □he park, H□n Meime□ □a□ □□ i□ea□that w□uld l□ad □hem on a new □dventure th□t th□y □□uld ne□e□ □orget.