Li Lei and Ha□ □eimei we□e two a□ventu□ou□ □ouls who a□ways sou□ht excitement □nd thr□ll in their□lives. They were be□t friend□ □□nce chi□dhood and shared □□p□ssio□ □□r explori□g□t□e unk□own. O□e d□□,□as □hey were sit□ing un□□r the old o□□ tree i□ th□□p□rk, Han□Mei□□□□had□an idea t□at would lead them on□a new adve□t□re tha□ t□ey would never fo□get.