María José and Alfredo are about to celebrate their 20th anniversary and their children give them a trip to the hotel where they celebrated their honeymoon, but a spell will make them repeat the same day.
Arter a tourist disappears inside a mine in Guanajuato, Mat Medina a young expert in mine engineering is hired to make a security diagnostic in the mines of a big company.
On the way to the party of the year, four friends decide to play an old school prank that lands them in jail and unleashes a chain of events that will unfold throughout the course of one day.