This year’s holiday campaign from United Way Halifax is remarkable for a number of reasons—it’s shot entirely on a Ring doorbell camera, its stars are volunteers instead of actors and it’s been at least a year in the making.

But its twist ending is what leaves the most indelible impression, coloring everything that comes before it. And that’s the whole point.

The scenario of the 60-second spot is a familiar one, captured from the vantage point of a Ring doorbell as a family preps for the holidays.