There is a sea in an unknown corner of the world, and in the middle of the sea there is a towering tree. This tree is just the incarnation of the rose spirit. The rose grows alone day after day, year after year. Rose is accompanied by a squirrel, which became immortal by absorbing the essence of Rose. Qiangwei longed for the outside world, but Squirrel kept stopping her. Until one day, an uninvited guest came to the island...