"Into your boring routine, dangerous men come who will awaken your instincts." Women who led ordinary, moral lives. But one night, at an unexpected time, beast-like men infiltrate their lives. From a childhood friend 20 years ago, through an authoritarian boss they should never get involved with, to a stranger hiding a dangerous secret... "Flee. Because if I catch you, I won't let you go." However, once the line is crossed, no one can turn back.