 His manager Rum stops her to make the situation clear to her and dangles the hotel room keys in front of her nose / NOTHING IS FOR FREE

Shortly after Carmen goes up to Escamillo's room, Joe shows up at the reception and gets ambushed by Rum, who in a very underhand way tells him which room and what predicament he can expect to find Carmen and Escamillo in.Joe bursts into the room and catches Carmen and Escamillo in an embrace.There is a confrontation at the end of which Carmen and Escamillo leave the room / TOO LATE FOR LOVE

Everyone's fate is sealed.