CAPTAIN FANTASTIC is a 2016 drama film written and directed by Matt Ross (28 Hotel Rooms) and starring Viggo Mortensen as a man who attempts to reintegrate into society after living in isolation for a decade. The film had its world premiere at the 2016 Sundance Film Festival and has been selected to be screened in the Un Certain Regard section at the 2016 Cannes Film Festival.
Deep in the forests of the Pacific Northwest, isolated from society, a devoted father (Mortensen) dedicates his life to transforming his six young children into extraordinary adults. But when a tragedy strikes the family, they are forced to leave this self-created paradise and begin a journey into the outside world that challenges his idea of what it means to be a parent and brings into question everything he's taught them.
- via IMDb