Between Waves (2020)

"A metaphysical love story."

Professional photographer Jamie's quantum physicist boyfriend Isaac has gone missing, and is presumed dead. Haunted by his disappearance while attempting to continue with life as normal, Jamie gets more and more wrapped up in figuring out exactly what happened, and is convinced that his disappearance has something to do with Isaac’s research into parallel dimensions. She continues to pursue him until she collides with a shattering revelation.