This is a spy film directed by Liu Shu, a screenwriter and starring Wang Kuirong and Angelababy. The story tells that on the eve of liberation, several girls of playboy age and good looks got together by mistake, and the fourth training course of the ninth military academy of Scouts-a secret spy training organization.

On the eve of liberation, the beautiful A Jing entered the Kuomintang military spy school to avoid the entanglement of Lu Tianfeng, the son of the Yugoslav capital commander. Jing was raped by Huang Fei, the head of the school spy.

The training in spy schools is extremely cruel. A runaway girl who was caught back was eaten alive by a German shepherd. A Jing and others learn eavesdropping, stalking, seducing, poisoning, kidnapping and killing, and are trained into beautiful but ruthless killing machines. The underground guerrillas who transported drugs to the liberated areas were captured by the military government. The military government wanted to crack the entire drug passage in the liberated areas, so it sent A Jing to marry the boss of drug dealer Ji. In prison, Jing was arranged to be locked up with his wife Shen Wei, who was born in party member. ...