In the 9th minute when dad is tucking his son into bed, between them on the blue bedroom wall to the right of the desk lamp, a light is inexplicably shadowed for a moment. This may be a crew member moving in front of a light.
The film is set between the late of the 80's or early 90's, but also are used 70's fashion and even late of the 2010's fashion, hindering know the time where the film is set.