毛賴明親自上門到「無限科棟」, 願出雙倍價錢, 要求無限斜棟三人, 幫他展開逆襲反擊! 協助他追求李珍珍, 打敗好兄弟陳友誠。在行業道德與金錢誘惑之間, 「無限斜楝」決定走出第三條路來解決面前難題!
Mr. Mo convinces the trio to help him win Lei Zan Zan over and the three of them come up with a plan to ruin Chan Yau Shing's engagement party. But little does Chi Kiu know, Nok Hang and Ka Hei accept a commission to help one other person and that it is all just a charade. When a lady asks for their help, the trio sets out to unearth the mystery behind the case.
