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.

Dr. Carolyn Tyler has suffered the recent, devastating loss of her teenage son, the breakup of her marriage and a growing estrangement from her daughter. Carolyn is persuaded by Ivan Turing, a cancer-stricken tech inventor and billionaire to investigate cases of reincarnation, near-death experiences, hauntings and other phenomena, all of it in the search for evidence that death is not the end.

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 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.

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

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

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.

Carolyn begins to lose her grip on reality as she deals with a delicate heart transplant case. Turing plans a very dangerous trip.

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

A cop killer has a terrifying near-death experience in Dr. Tyler's OR. As Cat and her team investigate, they learn his horrible experience also might carry an important message from beyond.