17-year-old inventor David Raskin enter to Massachusetts Institute of Technology, but he did not have enough money to pay for his studies. When he recognized that his mother was going to sell the house, he and his sister Christina tries to find in their father things, who died tragically on the day of David`s 7th anniversary, something that would help him to solve a problem with money. David finds an old video camera with record of his seventh birthday and incidentally finds himself seventeen-year-old. Later, they found drawings of the device in the basement of the house, designed by his father. Suddenly they realize that they have found delineations of the time machine. They decided to accomplish it and try to turn back the hands of time and rectify some mistakes. But what would happen if a group of teenagers accidentally gets hold of a time machine? Unambiguously it would be fun! Until someone violate a regulation and funny joke will not turn to a nightmare. Need to hurry to recover the continuum, while the world is not completely destroyed!