set me down in your warm arms (фемслэш)

"The snow had been romantic the night before with the flurries gathering in the corners of the window panes and twirling against the inky night. In the harsh morning light, it wasn’t as cute. The snow was six feet deep and impassable. Even with magic, it would be a fool’s errand to try and make their way back down the hillside to the castle..."
Stuck in a cabin and trapped by six feet of snow? Whatever will Lily and Narcissa do?