Each day, the Carlingford ferry brings people over the border between Northern-Ireland and Ireland, in an era the debate on Brexit is predominant. Staying or remaining, both options create the same big question marks on the future. The short journey over the wide sea brings different thoughts and reflections to the surface, while the border is hiding in the sea. The film creates a kaleidoscopic narrative based on how people's daily lives and thoughts relate to this imaginary line. How visible would the borderline eventually become?