No Escape (2008)

During WWII two sisters have stolen some emeralds from the lesbian Nazi SS officer (Rena Riffel) and now are on the run. One gets captured by her and gets tortured with electrified Freddy Krueger glove into revealing the location of the gems. The other escapes to her cousin's house, but her cousin who isn't that pleased with her appearance and blackmails the girl into becoming her personal slave in return for not turning her over to the SS.