What is soul actually? Is it merely a function of brain wave? Then, what is body? Is it only an empty vessel in which your soul can be injected freely? Such intriguing questions will aries when you see this Self/Less.
The story begins with Damian Hale (Ben Kingsley), a successful businessman, is dying. An offer by Professor Albright, that he can live eternally using other body, comes then. After a series of treatment which cost 250 billion USD, Damian finally enjoys his new life with new body previously owned by Edward Kittner. Then comes the nightmare when he misses a single drug. Damian is haunted by past experience of Edward Kittner.
The drug seems to work on erasing memories of the past user of the body. Damian then overcomes his curiosity by taking thorough investigation, only to discover that he is trapped into longing for an ideal family.
By the time he pursues assistance, Damian is gradually aware of the concept of life: that he should die and not take the life of others. At the end of the movie, he quits taking medication so that Edward Kittner back to life.