At 3 AM, the production line paralyzed, technician Zhou Qian rushed to repair it for five hours, in exchange for a 7,500 fine. She resigned on the spot, and was hired away by a rival company with an annual salary of 400,000, and the new employer's chairman turned out to be her mentor Chen Qiming. Master and apprentice joined forces to counter-kill the perfidious old factory owner, but it startled the international technology plundering organization Ouroboros. Her mother was kidnapped, her background became a mystery, and she was the one the other party was truly looking for.