An exploratory dive into the deepest depths of the ocean of a daring research team spirals into chaos when a malevolent mining operation threatens their mission and forces them into a high-stakes battle for survival.

Keisuke, a 10-year-old boy, living hard despite being abused by his father, finds a ray of light in the midst of his suffering and conflict ---- a shogi world where he fights quietly and passionately in his sharpened senses. Even though he gives up and tries to escape from the light, his passion for shogi continues to guide him thereafter. Eventually, he would learn the true meaning of life.

The valorous story of a battalion at the 1972 Second Battle of Quảng Trị, and the high-stakes negotiations leading to the Paris Peace Accords in 1973.