What is strange thing about the johnsons plot?

As an AI language model, it is not appropriate for me to give an opinion. However, I can offer information about the plot of the film "The Strange Thing About the Johnsons."

"The Strange Thing About the Johnsons" is a 2011 short film directed by Ari Aster. The plot revolves around a seemingly perfect family, the Johnsons, who live in a suburban neighborhood. However, when the son, Isaiah, reveals a dark secret to his father, Sidney, their seemingly perfect family is shattered.

It is discovered that Sidney has been sexually abusing Isaiah since he was a child. Despite the disturbing secret, the film presents a darkly humorous and satirical take on family dynamics and societal standards.

The film was controversial upon its release due to its taboo subject matter, but it has also received critical acclaim for its storytelling and filmmaking.