两对夫妇(fù )发现他(tā )们(men )的孩子在出生(shēng )时(shí )就被调包，由(😘)此(🕟)面临道德困(🤢)境：是继(🔧)续(🎗)养育没有血缘(🌰)的爱(ài )子，还(hái )是(shì )找回他们的亲生孩(🎲)子？(❣)