Tsai-hsiang and Yi-ge are now a happy couple. Unexpectedly, when her mother-in-law suddenly returns from distant Argentina, Tsai-hsiang is instantly transformed from a mother-in-law to a daughter-in-law, and new mother-in-law/daughter-in-law problems rear their head. At Hsiao-ou’s and Fa-gui’s wedding, a women raises her hand in objection, and it turns out to be Fa-gui’s wife—Can the two of them continue to stay together? When Da-mei and Bing-ren finally have a child, it turns out to be a brown-haired, blue-eyed mixed-race kid; just who was the unfaithful one? Can Bing-hsiao make good use of his golden tongue in the cutthroat drama over orchids, ensure that orchids bloom profusely, and do his part to live up to Taiwan’s reputation as the “Orchid Kingdom”?
彩香與一哥成為相知相惜的老伴,豈料遠在阿根廷的一婆突然歸來,彩香頓時從婆婆變成媳婦,新的婆媳問題再度上演;小鷗和發貴的婚禮上,有一女子舉手反對,竟然是發貴的妻子,兩人究竟能否繼續下去;大美與秉仁終於開花結果,孩子卻是個褐髮碧眼的混血兒,到底誰才是對婚姻不忠的人;秉孝能否善用他的天花亂墜不爛之舌,和蘭花來一場爾虞我詐的遊戲,贏得蘭花開滿園,不負台灣素有「蘭花王國」的美名?