คลับฟรายเดย์เดอะซีรีส์ Theory of Love ไม่มีทฤษฎีไหนใช้ได้กับทุกความรัก ตอน ทฤษฎี 21 วัน
A woman has had a crush on a wealthy and seemingly perfect man who's remained single for a long time. Rumors swirl about his sexual orientation, but she refuses to believe them. He never confirms or denies the speculation that he's gay. Determined to uncover the truth for herself, she employs the theory to pursue him.