Jae-woo enters national kendo team, meets Tae-su who killed his brother. Tae-su is unbeatable competitor. Jae-woo, unable to defeat him, becomes increasingly agitated as training ends, his repressed emotions surfacing.

Jae-woo, who was selected in the survival process to enter the final entry of the national kendo team, meets Tae-su there, who killed Jae-woo's older brother when he was young. He faces Tae-su as a competitor but Tae-su is invincible. Seeing Tae-su in peace and not being able to outdo him constantly suffocates Jae-woo. He becomes agitated as the training comes to an end and his feeling in his deepest mind starts to burst out.