After my father disappeared, I want to design a time machine according to the design of the time machine left by my father. After many efforts, I found that the completed time machine can only travel through the time when the time machine exists.

Many years later, the happy hero stumbled upon the time machine and accidentally passed it on to the doctor. When he was young. Due to the special setting of the time machine, I can only go back to the past, but not to the future. When I was a child, doctor. He is withdrawn and has no friends. Ren Chao decided to stay in the past and take care of the doctor. Like brother and sister, so doctor. He can become cheerful and learn to take care of himself. While looking for a way back to the future, he also has to deal with the destruction of monsters.

When Johnson saw Superman enter the past time and space, he wanted to destroy the machines so that they could never come back. As a result, Johnson accidentally followed him to the past and found the monster of the past. Because the rank of Big Monster was lower than that of Little Monster, I had to be a subordinate of Little Monster and obey his command.