Casiano, unaware of Alla's condition behind him, coldly asked Chloe, "Is that enough?" His slap dispelled Chloe's suspicion. Casiano would never hit anyone he cared about; instead, he would go all out to protect them. His ruthless slap indicated that he had no relation with this despicable woman. He had only stepped in to speak for the despicable woman probably because of Eileen Weston. But ultimately, he disciplined Eileen Weston's friend for her, showing that he cared the most about Chloe. She originally wanted to kill Alla, but she didn't want to erode the slight affection Casiano had for her, so she relented. "You personally disciplined her for me, of course that's enough!"