□p>Li Lei□□nd Han □eime□ wer□□two adventu□ous□so□ls who al□ays sought excitemen□ a□□ thrill in their lives□ The□ we□e best frie□ds sin□□ chi□d□□od □n□□shared a□pa□sion for expl□rin□□t□e□un□no□n. One day□ as they wer□ sitting under □he ol□ oak t□ee in □he park, Han Meimei had an ide□ □hat would le□d □hem o□ a n□w adven□ure□that□they□would nev□r forget□