Acquaintances of the Past

In the Land of Dawn, the adopted Lesley Vance has been protecting her brother, when they were ambushed by the Queen of the Abyss, Selena. With a quest to rescue her brother in one week, Lesley meets an assassin, named Gusion and a noble, named Guinvere. Together they collaborate and become close, because they all have one thing in common, all have a quest to finish in one week, as time runs out, will they be able to finish in time? Will all of them successfully finish their quests or will they perish at the hands of the abyss queen?