Theory of Love: Special Episode "Stand By Me" has a parent story called Theory of Love. This parent story tells how Khai and Third started dating and also the friendship of this four gentlemen: Khai, Third, Two and Bone. Theory of Love's story revolved around how these four friends life during study time but ToL: Special Episode "Stand By Me" is a story after they finished the study. If by chance some audiences found this one-hour special episode and haven't watched the original parent story, they should watch Theory of Love first to understand more about the storyline.
