A young policewoman is picked for an undercover job--getting close enough to a gangster's son so that she can plant a microphone at a table where the gangsters make their deals. Complications arise when she finds herself falling for him.

The Crime Investigation Department is assigned to protect a princess-consort coming from the Republic of Puerto Risi. They arrange a fantastic trip to introduce the princess-consort to Hong Kong, but a big crisis looms on the horizon.

Wao is 18 years old and represents a new generation of ladies in the police academy. In one occasion, she saves police officer Sergeant Chung life from a dangerous shoot out and to express his gratitude towards Chung, he assists her in graduating from the academy with disastrous consequences!