However, Damian soon discovers the procedure's dark secret: his "lab-grown" body was actually a young soldier named Mark who sacrificed his life to save his daughter. As Mark’s memories begin to resurface as "hallucinations," Damian must decide whether to reclaim his own life or honor the man whose body he now occupies. Self/less movie review & film summary - Roger Ebert

At its core, the film explores "shedding"—a procedure where a person’s consciousness is transferred into a supposedly lab-grown "empty vessel".

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