Due to being switched at birth, Gu Wanxing, the true daughter of the Gu family, spent a full thirteen years living in poverty. After finally returning to the Gu family, she failed to win her father's affection and instead was constantly suppressed by Gu Wanyin, the fake daughter who stole her identity. Under various blows, she developed manic syndrome, becoming the notorious 'Gu Duiedui' in the capital whom no one dares to provoke. Meanwhile, Feng Xun, the eldest son of the capital's richest Feng family, lost his mother in childhood and was exiled abroad by his stepmother. Returning now, he aims to reclaim the Feng family while launching a counterattack against his stepmother. To this end, he purposefully seeks out the notorious Gu Wanxing to marry, hoping to use her madness to disrupt the Feng family. When dry firewood meets raging fire, a chaotic and uproarious drama is about to unfold.