Mina lost her husband—a famous volleyball player—and now lives alone with their only son, Shuuya.
Following in his late father’s footsteps, Shuuya has grown into a top athlete, even being considered for the national team.
One day, Mina is approached by a sports journalist named Sugiura, who wants to write a feature article on Shuuya.
But what seemed like a professional interview request… soon takes a dark turn.