Schrödinger’s Girl can walk through walls.
Oh yeah! It’s also a British low budget indie SF film.
Rebecca is a disgraced scientists conducting illegal experiments to confirm the existence and initiate travel between parallel universes who accidentally cracks the problem. Her counterparts in neighboring universes are also working on the same problem but they but they have their own agendas.
It quickly becomes apparent that the rifts in the space-time continuum caused by inter-dimensional travel can bring about the merging of the affected universes so that it becomes a race against time to close these rifts and save the planet.
Directed by Huw Bowen, starring Abigail Tarttelin, Damian Hayes and Al Convy