Yes, Sir. Sorry, Sir! Season 1 episode 25 (2011)

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NGAI FUNG is very drunk and YIU-WAH sends him home. While looking for a towel, YIU-WAH finds NGAI FUNG sleeping on his computer desk and the computer screen is showing a big list of data. All these data are evidence of crime… YIU-WAH visits NGAI FUNG again and he deliberately breaks the computer keyboard. After careful analysis, KWOK-SHING concludes three possible passwords of NGAI FUNG’s computer. YIU-WAH deliberately starts a quarrel with KA-LAM and KA-SIN leaves home to meet KA-LAM.NGAI FUNG watches TV alone at home and the drunken YIU-WAH suddenly arrives. YIU-WAH sneaks into NGAI FUNG’s room and switches on his computer… MAN-LIK learns that a large quantity of drugs has arrived South-East Asia. He finds out the transaction date and arrests SAI-LUNG successfully. CHIT-SHUN reports to NGAI FUNG that the Mexican Gang is very angry for the police have discovered their plan and they want an explanation from NGAI FUNG.