Ep 12. The Knock

The Rookie season 4 episode 12, titled "The Knock," follows John Nolan, a middle-aged man who pursues his dream of becoming a police officer after his divorce. In this episode, John and his fellow rookie officers respond to a series of perplexing calls that test their expertise in handling unusual situations.

At the beginning of the episode, John and his partner, Officer Lucy Chen, are dispatched to investigate a missing persons report. The victim's husband claims that his wife vanished overnight, leaving behind their children and no indication of her whereabouts. While searching for clues, John discovers a strange glyph drawing on the victim's car, leading them on a long pursuit to uncover the significance of the symbol.

As the investigation progresses, John and Lucy are unexpectedly confronted by a woman who claims to have supernatural abilities. The woman believes she can assist them in finding the missing person, but her methods test the rookies' credibility and make them question the veracity of the supposed supernatural occurrences.

As John and Lucy delve deeper into their case, they uncover a shadowy organization that can be connected to the missing person. They discover that this organization is involved in human trafficking, and their investigation takes a naughtier turn. As the stakes continue to escalate, John and his team battle to save the missing person and put an end to the heinous operation.

Elsewhere, Sergeant Wade Grey finds himself stuck in a moral quandary when faced with an uncomfortable truth about his relationship. Meanwhile, his protégé, Officer Jackson West, struggles to maintain his composure when dealing with a difficult suspect. Both characters' stories intersect with John's, adding an extra layer of complexity to the episode.

Overall, "The Knock" is a suspenseful episode that explores the theme of trust, both in oneself and in others. It showcases the tenacity and quick thinking of John and his team, as they use their instinct and intellect to solve the case. The episode also features strong performances from the cast, particularly Nathan Fillion, who plays John Nolan, portraying the character's sense of duty and vulnerability. With its gripping storyline and intriguing character subplots, "The Knock" is an excellent addition to The Rookie's fourth season.