I'll Follow You Down is a 2013 Canadian techno-thriller film written and directed by Richie Mehta. Outside the United States and Canada, the film was released as Continuum.

After a scientist disappears during a business trip, his son (Haley Joel Osment) and wife (Gillian Anderson) struggle to cope, then they make a bizarre discovery years later that may bring him home.

https://en.wikipedia.org/wiki/I%27ll_Follow_You_Down