Do Kyung and San Ha are stunned to see Esther transfer into Aura Bio’s product development team. And when Do Kyung gets mad at her for not consulting with him beforehand, she says it has nothing to do with San Ha. Later, the surgeon who operated on Do Kyung and Soo Ho five years ago suddenly appears in front of Nam Joon. Meanwhile, San Ha's father starts to believe in San Ha’s suspicions and decides to visit Do Kyung at Aura Group. (Source: Viu)