Peter is a kid, forced to give up his own bedroom to his Grandpa (De Niro). Determined to win back his territory, Peter is scheming with friends a nasty campaign that includes all sorts of pranks and dirty tricks. However, Grandpa is an old dog and he too, knows some icky gimmicks. What does it mean? Simply a war with all means!
" If you love Robert De Niro, then ‘War with Grandpa’ is a comedy just for you! In the movie, Robert De Niro has come of age and has to move in with his daughter. Here the space is limited and therefore he has to take over his grandson's room. However, that doesn’t sit well with the younger generation and soon it is full on war. ‘War with Grandpa’ will have its Danish cinema premiere on December 17th. "