Hospital nurses Glenda White (Marguerite Chapman) and Dottie Morrison (Kay Harris) join the newly-formed corps of parachute nurses to be dropped at sites where ordinary medical aide is inaccessible. They discover they have let themselves in for a life of rigorous training governed by strict military rules, with the only bright spots being their instructors, Lieutenant Jim Woods (William Wright) and Sergeant Peters (Frank Sully.) After weeks of arduous training, one of the earlier-entered classes is ready for practice jumps.Tragedy strikes when Gretchen Ernst (Evelyn Wahl), an American-born nurse who has been ostracized because she has a brother in the German army, commits suicide by failing to pull her rip cord during her jump. When it is time for Glenda's class to make their jumps, Glenda remembers Gretchen and cannot summon enough courage to make the leap. Jim and Peters are determined to force her to complete the course.