Кевин, человек, в котором живет не менее двадцати трех личностей, вынужден похитить трех девочек подросткового возраста. Тем временем, пока они находятся в заточении, самая главная личность Кевина — Чудовище — материализуется.

https://bombafilms.ru/video/729314-Split-Film

Though Kevin has evidenced 23 characters to his trusted psychiatrist, Dr. Fletcher, there's one underwater who can be set to materialize and dominate all others. Compelled to abduct three teenaged girls headed by the willful Casey, Kevin reaches a war for survival one of all the contained within him as well as everyone else around him as the walls between his split apart.

https://moviesjoy.is/movie/split-19806