爱玛马克思的顺从: 分界线

When a new contract is drafted up defining the parameters of their BDSM relationship, Emma realizes that Mr. Frederick is anything but predictable. With new rules pushing her beyond her emotional and sexual limits, Emma finds herself caught up in a whirlwind of erotic excitement. But when someone from Mr. Frederick's past resurfaces, her world is rocked to the very core. Rattled by the realization that sometimes the road to sexual freedom comes with a price, Emma must confront her inner demons and decide whether she's capable of a relationship that challenges the boundaries she's defined for herself.