The Inherent Traits of Connor James (2018)

"Dysfunction is a dominant gene."

A dark dramedy that follows Lea and Court Matheson, a happily-married lesbian couple, and their three-year-old son as they return to Lea's hometown to attend the funeral of her best friend from high school. The deceased, Connor James, also happens to be Lea's sperm donor and when his family discovers that the Matheson's little boy is biologically related to them, they decide they'll go to any lengths to keep him in their lives.