Si-eun consistently ranked first in his class, a diligent student wholly devoted to his studies. This focus left him isolated, devoid of any friends at school. Young-bin, a classmate of Si-eun’s, found himself increasingly irritated by the …

Young-bin seeks retribution against Si-eun for the injury that landed him in the hospital, enlisting the aid of a couple of men he knows. Separately, Si-eun finds himself drawn to Soo-ho, and a friendship blossoms between them. Subsequently…

The sight of his sons brutally beaten ignited a fury within Gil-su. He demanded to know the perpetrators. Young-bin, with calculated patience, gathered Si-eun, Bum-seok, and Soo-ho and brought them before Gil-su. There, Gil-su issued a chil…

The crimson stain on the floor drew Si-eun’s attention, and she immediately summoned Young-yi for assistance. Gil-su instructed Seok-dae to proceed, and Young-yi followed him, her GPS tracking app active. Elsewhere, Soo-ho and Bum-seok were…

In a karaoke room with friends, Bum-seok unexpectedly encounters the tormentors from his past. Soo-ho intervenes, demanding an apology, but Bum-seok bristles at the unsolicited direction. Si-eun watches, growing increasingly concerned by Bu…

Bum-seok’s daily reek of alcohol drew him into the company of Jeong-chan and Tae-hoon. Si-eun suspected that Jeong-chan and Tae-hoon were exploiting Bum-seok, though he also believed a deep loneliness fueled the man’s self-destructive habit…

Si-eun suffered a brutal beating at the hands of men hired by Bum-seok. The injuries were severe, yet he concealed the truth from Soo-ho, shielding Bum-seok from consequence. Later, Soo-ho learned of the attack and resolved to confront his …

A growing unease settled upon Si-eun and Young-yi as they struggled to reach Soo-ho. The tension lingered until Si-eun completed his examinations, at which point he received news that left him reeling. Separately, Bum-seok's father persiste…