Top agent Mr. Chan (Dayo Wong) suddenly finds himself removed from duties after his partner Wonder Child unintentionally offends a policewoman, Ms. Shek. But when a financial officer goes crazy due to drugs, Mr. Chan is called back in to solve the case, which he accepts even though this means partnering up with Ms. Shek. The two have some ups and downs while working together, eventually leading to romance.
Hotheaded cop Bill Zhu (Lau Ching-wan) gets relegated to the Emergency Unit after a dustup with his inept boss. When the mob kills Zhu's pal and ex-colleague (Francis Ng) during a turf-war hit, he rounds up his motley department cohorts and embarks on a mission of revenge against the gangsters. The pursuit of the baddies culminates in a hair-raising showdown atop a hijacked transport plane in this action thriller.
