erenity (2019) is a neo-noir psychological thriller that follows Baker Dill (Matthew McConaughey), a troubled fishing boat captain living a quiet life on the island of Plymouth. His days are spent fishing for rich clients, but his life takes an unexpected turn when his ex-wife, Karen (Anne Hathaway), reappears with a desperate plea for help.

Karen offers Baker a large sum of money to kill her abusive husband, Frank (Jason Clarke), who is a wealthy businessman. She claims Frank is dangerous and has been tormenting her and their son. Torn between the temptation of the reward and his moral compass, Baker struggles with the decision. However, as he contemplates the murder, he begins to notice strange occurrences that suggest the world around him might not be what it seems.
As the plot unfolds, Baker’s reality begins to blur, and he questions the nature of his existence. He realizes that his life might be part of a larger, artificial game created by his son, Patrick (Rafael Sayegh), who has been using this narrative to cope with the trauma of his father’s death in Iraq. The movie explores themes of control, fate, and the consequences of decisions, with a dramatic twist that forces Baker to confront his own past and the truth behind his seemingly simple life.
With its mind-bending premise, Serenity challenges viewers’ perceptions of reality, offering a complex story filled with suspense, mystery, and moral dilemmas. The film’s unexpected conclusion leaves audiences questioning the boundaries between reality and illusion, making it a thought-provoking experience.