Carolyn makes a devastating choice as her proof investigations, personal life and professional life all come to a dangerous head. Turing undergoes a life-threatening surgery.

Carolyn begins to lose her grip on reality as she deals with a delicate heart transplant case. Turing plans to take a very dangerous trip. Zed experiences complications in his romantic life.

When a grieving mother claims she's found the reincarnation of her dead son in one of Carolyn's patients, a young piano prodigy, the lines between Carolyn's proof investigations and professional life begin to blur. Sasha, Ivan's sister, grows more suspicious of his behavior.

The team investigates a strange haunting at an old church. Carolyn gets an unexpected visit from her parents.

Turing asks Carolyn to investigate the case of a programmer who died while using a cutting-edge technology that may have recorded images of his death. Zed makes a difficult decision about his future.

When a Jane Doe wakes up in the coma ward with no memory of who she is, Cat and her team are stunned to find that she has memories that belong to other deceased coma patients. Len and Sophie find a surprising connection to Will.

A cop killer has a nightmarish near-death experience. Further investigation reveals the event may carry an important message from beyond.

Carolyn and her team investigate the case of an Iraq war vet who claims to have PTSD from a past life experience during the Korean War. Carolyn reconnects with a medical school colleague turned "regression therapist.".

When a young man claims he's seen the ghost of his recently deceased wife, Dr. Tyler and her team are brought in to investigate an increasingly bizarre case of loss, love and jealousy.

Cardiothoracic surgeon Dr. Carolyn Tyler is hired by a terminally ill billionaire to investigate cases of life after death in an effort to prove the existence of an afterlife.