On the ISA jet on the way back to Salem, Roman and Marlena made the decision to not tell Kate and John that they had sex. Marlena was uncomfortable with lying to John, but eventually agreed with Roman. When they arrived back they were shocked to learn that John and Kate had fallen in love and were engaged to be married, but Roman and Marlena still didn't tell the truth about their affair. Soon after they were back Marlena discovered that she was pregnant and that Roman had to be the father, but when the truth came out John wasn't too forgiving. During a fight between Roman and John, Marlena tumbled down the stairs, causing a miscarriage.