The main character of "Mars Baby" is a Martian boy named "Nevermind" who was adopted by a kind-hearted Earthman Luo Bingwen. "Nevermind" is a kid who often has bursts of good luck, but he was kidnapped by greedy entrepreneurs who wanted to use his superpowers for evil. This kidnapping case, however, triggered a series of funny stories - the adopted child is an alien, and can even take his family with him to immigrate to Mars? For the parents who have gone through hardships to raise them, this news is both a nightmare and a joyous announcement.