Original sentence: A psychiatrist still dealing with the loss of his wife, Chris Kelvin receives a disturbing video message from a friend and scientist, Gibarian, asking for Chris' help and that he come to the enigmatic ocean world, Solaris
Edited sentence: A psychiatrist still dealing with the loss of his wife, Chris Kelvin receives a disturbing video message from a friend and scientist, Gibarian, asking for Chris' help and that he must come to the enigmatic ocean world, Solaris