On a dark and stormy night, the intertwined fates of twin brothers unfold when they are taken in by the enigmatic Fat and Thin Kam Lan sisters, only to be separated. Three tumultuous decades pass before the elder brother, Cheung Yan, rises to power as the formidable lord of Wutian Island, inheriting his father's legacy of wealth and influence. Immersed in a society that values male dominance, Cheung Yan takes on multiple wives, yet it is his main wife, the obedient Yu Ruyu, who captures his heart and the admiration of all, echoing the teachings of her mother, Lin Xianghua. As Cheung Yan's mother nears her final breath, she unravels the mystery of the long-lost twin brother, Mou Gin Shu, hidden from Cheung Yan since their separation. Overwhelmed with newfound hope and longing, Cheung Yan dispatches his loyal confidant, Charles, on a mission to seek out his brother. To his astonishment, Shu is discovered in the bustling streets of Hong Kong, leading a humble life with his wife, Au Ka-Lai, a strong-willed career woman, and his friend Chan King Chuen. In a role reversal of societal norms, Shu finds himself as the compliant husband, willingly surrendering to his wife's authority...