When Alec is recruited to assist with a multi-national prisoner exchange that has gone awry, he sees an opportunity to rescue a wrongfully imprisoned colleague; the case pulls Alec and Rose into the dangerous world of international espionage.

In order to solve an actor's murder, Alec and Rose must go undercover to infiltrate a community theater production of "Little Shop of Horrors," but joining the cast may put them right in the killer's crosshairs.

With an astronaut trapped in space, Alec is tapped to evaluate whether the pair of astronauts assigned to rescue them - a married couple - can safely complete the mission; an accident during a training exercise puts the mission at risk.

When Kylie and Marisa find evidence that a tech billionaire may be a serial killer, Alec quickly determines the only way to prove the killer's guilt is for Alec to extract a confession, which leads into a dangerous game of cat and mouse.

Alec helps Rose when an attorney general is threatened by a scandalous deep fake video that puts lives in danger; the head of Rose's firm arrives from Europe and gets entangled in their case work, leading Alec to do an experiment.

After a champion horse throws and kills his rider, Alec and Phoebe are called upon to save the horse from being euthanized; their investigation reveals what happened isn't at all as it appears.

Renee seeks Alec's help after she has a dream containing details about a murder that actually happened; the case grows more intriguing when they realize the victim was Renee's heart transplant donor; Marisa is surprised by a visitor from her past.

Alec and Marisa investigate a mysterious ghost ship that has washed up on the shores of his hometown; this forces him to revisit his past and spend time with his father with whom he has a fraught and complicated relationship.

After a volunteer dies onstage, Alec and Rose peer behind the curtain of professional magic to try and find out who killed her.

Alec and Marisa investigate a museum heist and a curator and his son might hold the key; the case raises ethical questions about the controversial practice of buying and selling cultural artifacts, which brings old memories for Marisa.

When an acclaimed tennis player goes missing in a remote forest, Alec is called to help find her and bring her to safety; however, a medical emergency threatens to sideline Alec, leaving Marisa and Rose to race against time and rescue the woman.

Alec enters the world of K-pop fandom when a superfan is murdered, and the only suspect is the pop star the fan idolizes; Alec and Rose dig beneath the surface to uncover what happened and, in the process, he uncovers more about her past.

Alec and the team work to prevent a looming locomotive catastrophe; Phoebe, Simon and Rizwan struggle to adjust to new power dynamics.

Simon's mother asks Alec to help stop a suicide contagion when a third student death strikes the campus; Alec asks Marisa to help when he thinks there might be more to the case; Phoebe struggles with her next career move.

Alec and Marisa attend the wedding of a mutual friend's daughter located inside a foreign embassy, where the father of the bride has been ensconced for diplomatic reasons; their night off quickly turns into a murder investigation.

When a rising star on Wall Street is killed during her hockey game, Alex must determine if it was an accident or murder; Alex and Rose find themselves on opposite sides of the case as they try to get to the heart of the victim's cutthroat world.

The FBI needs Alec and his team to help stop a serial killer terrorizing the suburbs; as the bodies pile up, Alec helps the police uncover what's really driving this murderer to his choice of victims.

When Rose goes missing, Alec quickly discovers this is no ordinary kidnapping. While Rose plays a dangerous game to stall for time, Alec takes matters into his own hands to find her.