Kang Jae’s Lie Comes To Light - S1.E6

Kang Jae starts to feel left out, seeing Raphael next to Woo Ri all the time. Woo Ri senses this and tries to make it up to him by going on a camping trip with him. But later, she becomes devasted after she learns Kang Jae had lied about not knowing of Ma Ri's affair and how he had covered for her so that it wouldn't alter Woo Ri's mind about giving them the baby once it was born, putting their relationship in turmoil.