After the hot-tempered police analyst Fei (Wong) fouls up yet another operation, he is exchanged to an anecdotal office that houses all the futile staff the power couldn’t sack. There he finds another foe in the amiable work area officer Johnny (Lee), who abhors Fei’s carelessness for order. In any case, when Fei’s dad (Stanley Fung Shui-fan) and Johnny’s mom (Elaine Jin Yan-ling) adventitiously turn into a thing, the new siblings should some way or another figure out how to live together under the same rooftop.
That is the structure in which Buddy Cops’ fundamental account interest plays out, focused on Fei’s endeavor to retaliate for a buddy killed by individuals faithful to Hung (Lam Ka-tung), a compelling giver who may likewise be a criminal driving force. The motion picture then changes to all out insurgency mode: Charmaine Fong Ho-man is lunacy exemplified as Fei’s threatening ex, while Kate Tsui Tsz-shan hams it up as a bucktoothed introvert who could help Johnny split the case.