Sarah is a French space explorer preparing at the European Space Agency in Cologne. She is the main lady in the laborious program. She lives alone with Stella, her seven year old little girl. Sarah feels remorseful that she can’t invest more energy with her youngster. Her affection is overwhelming, disrupting. At the point when Sarah is picked to join the team of an extended space mission called Proxima, it makes turmoil in the mother-little girl relationship.