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, until an accident during a training exercise puts the mission at risk.

Alec and his team come face to face with the man who was put away for the church bombing 20 years earlier. Marisa and Kylie work together to save Alec, Phoebe and Rizwan. Jace makes a critical break in the case that changes everything.

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 passenger plane crashes into the Potomac River, suspicions focus immediately on the pilot. Prof. Mercer and the team are asked to investigate the pilot’s personal motivations and piece together clues in the hopes of revealing the truth.

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

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.

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.

Alec and the team work to prevent a looming train disaster. Phoebe, Simon and Rizwan struggle to figure out the new power dynamics between them.

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.

Alec and the team take on a kidnapping case at the request of a desperate father. Their investigation is hampered by a complicated family dynamic that slowly reveals everyone's hidden motivations.

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

Professor of behavioral science Alec Mercer suspects there's more to the story when he is called upon to investigate the murder of a fashion influencer whose boyfriend has confessed.