Six young girls with different personalities, led by Ouyang Jian, take on the challenge of the two major forces, the Ziwei Group and the Jiuhan Gang. Their coincidental capture and becoming the test subjects of the demonic scholar Prof. Tan is an inevitable part of the plan or a tragedy of destiny. The Brown Project is a parallel gangster organization, a team of girls with opposite identities, each with their own strengths and toughness, who fall into the enemy's hands in a single mistake. The girls continue to fight in the prisons of Red Island and the detention camps of Jade Town. Operation Fox Hunt and Project Brown have crossed paths on a special battlefield. Shackles, ropes, prisons, lovers, enemies, and traitors weave together a suspenseful mix that will keep you on your toes.