讲(🌠)述了(🔨)沂蒙山青(🐽)年农(nóng )民龙(🏽)喜蛋到上(shàng )海打(🕋)工挣钱，被(bèi )(🔱)隆盛行管(guǎn )(🍥)家阴差(chà )阳(🎹)错(cuò )当成大老(🌰)板隆得宝失散多(duō )年的少爷(yé )隆地蛋(dàn )接(🎏)进隆府(fǔ )(🏇)。龙(lóng )喜蛋被迫冒(🐿)充真(🔸)少爷，被隆(🛍)得宝封为隆家(jiā )财(cái )产(🔲)继承人和(hé )隆(lóng )镖队队长，而真(zhēn )少爷被遗忘街头成为乞丐(gài )。