A high-school girl named Makoto acquires the power to travel back in time, and decides to use it for her own personal benefits. Little does she know that she is affecting the lives of others just as much as she is her own.
A vagabond swordsman is aided by a kunoichi and a spy in battling a demonic clan of killers - led by a ghost from his past - who are bent on overthrowing the Tokugawa Shogunate.