Lin Yi, a modern young man, is struck by lightning and chosen by the "Cleaner" System to transmigrate. He arrives in a world resembling the ancient Qin dynasty and begins learning the skills of assassin Wu Liuqi.
Lin Yi is cunning and exceptionally talented. By killing his enemies and earning experience points, he steadily rises through the ranks from paper to bronze to silver assassin.
Along the way, he will form a team to defend his homeland.
