Sune is in a difficult situation and try as he might, he cannot make up his mind. Should he join the rest of his class on a school trip – the one he and his sweetheart Sophie have been looking forward to for so long? Or should he instead go to his grandfather‘s wedding – especially now that granddad wants him to be best man? To make things worse, in true sci-fi-thriller style, Sune‘s future self keeps turning up to try and thwart his every decision. Torn between two loved ones, Sune ends up dragging his family into a fast-paced road trip filled with treacherous twists and turns.