With teamwork and determination, what else could be impossible? On a 160-acre ranch in Texas, Grandpa Rex peacefully lived. One Christmas season, his grandkids and friends visited. Unexpectedly their visits turn into an awesome adventure for all of them. When Beob, the man who works in the government lab, became obsessed with capturing aliens, he started to put everyone at risk just to fulfil his greed. Because of Beob's obsession, Grandpa Rex and some of their friends are put in danger and the world's safety is threatened. Only the rest of the family can help in saving Grandpa Rex as well as...