美国电影门徒2021结局什么意思

A young urban family spends summers on an idyllic island. When an abandoned, mangy mutt wanders onto the property, the dad alerts Animal Control - but the children beg to keep the dog. A compromise is reached: the kids can nurse FRANK back to health, but must put him up for adoption when summer is over. As he regains his strength, Frank risks his life to bring the family togeth...。主人公是在学校没有立足之地，把自己关在家里的中学生·Kokoro，有一天，房间里的镜子突然发光了，Kokoro像被吸入了一样穿过镜子，发现前方有一座像城堡一样的不可思议的建筑物，里面聚集着和Kokoro有着相似遭遇的7个人。城堡里隐藏着秘密的钥匙，找到了那个钥匙的人，什么愿望都能实现。。