Time and Eternity is a role-playing game set in the kingdom of Kamza. Princess Toki and knight Zack are about to get married when a sudden attack occurs, leaving Zack mortally wounded. Princess Toki unleashes her hidden power, another part of her soul, Towa, which gives her the ability to go back in time. Players must relive the wedding over and over again as events from the past and present mix together, forcing Zack to choose between Toki or Towa.