Brothers in Space (2018)

15-year-old Johan helps his 9-year-old brother, Oscar, to build a space rocket to go visit their dad. Johan has made up a story for Oscar, as to why their dad is no longer with them. But on the day that Oscar celebrates his 10th birthday this lie is becoming very dangerous, because now Oscar has build an engine filled with explosives. . . Will Johan tell his little brother that he has been lying? Or will Oscar's rocket launch plans go wrong, and he'll end up in heaven where his dad is?