In the game, the player takes the role as a newcomer to the invention workshop, aimed at restoring the city in the middle of the sea, "Tristia". In the progress of the game, the player has to listen to the voices of the people living in the city and finishes the assigned tasks. And so, the conflicts between the characters and the special events that result are rather rich and complex. Depending on the player's performance and choices, different endings can be expected.