Proxima follows the story of an astronaut who struggles with commitment to her daughter, while following a terrifying physical training for a one-year mission aboard the International Space Station. The only woman in the program, Sarah trains for her first space mission while trying to control the frustrations of her parent’s life. She lives alone with Stella, her seven-year-old daughter. Sarah feels guilty that she can’t spend more time with her daughter. Her love is overwhelming, unbalanced. When Sarah is chosen to join the crew of the one-year space mission called “Proxima”, this creates chaos in the mother-daughter relationship. As the date of departure approaches, Sarah must travel to the launch site and be quarantined away from her daughter. An exceptional woman, Sarah faces a growing inner conflict, which can lead to a shocking decision.