Sophie Nélisse is bringing Irene Gut Opdyke's story to the big screen.

TheYellowjackets star portrays the trailblazing Polish nurse who risked her life to help hide 12 Jews persecuted by Nazi Germany during WWII in Irena's Vow.

PEOPLE can exclusively premiere the film's trailer, which gives a deeper look at the significance of Opdyke's courageous actions after she was hired as a housekeeper at the home of Wehrmacht Major Eduard Rügemer, a senior Nazi officer, at age 19.