A friendship shattered by uncontrollable jealousy and inferiority ('Four Hands')

Upon learning the whole truth, Kang Bi-oh kicked open the door and burst out, pouring out a maniacal scream accompanied by rage-filled sobs, shouting, “What on earth am I lacking compared to that Choi Jeong-yo!” The episode ended with Song Kang collapsing, engulfed in a sense of betrayal at having even the family recognition he had longed for his entire life stolen by his only friend.