After severing ties with his gang, a former gangster returns to uncover the truth behind his brother's death — embarking on a relentless path of revenge.

Detective Ma Seok-do joins the Cyber Investigation Team to nab Baek Chang-ki, a former mercenary and the head of an online gambling organization.

A squad of soldiers fight in the Korean War's crucial Battle of Incheon.

The Moorim School isn't focused solely on high academic scores. The school teaches its students virtues including honesty, faith, sacrifice and communication. The teachers and students at the school come from different countries and each have their own stories.