PSI Book Two: Legacy continues the story from PSI Book One: Manifest. After the murder of his wife, Dr. Martin Sellers struggles to continue his life's work of running PSI Center. With the support of the Zanetti family and Dr. Rex Wall, Martin must protect his empathic daughter and all his patients with extraordinary psychic abilities from the treacherous telepath Paul Burton. Paths cross and family ties are tested while those with telepathy, telekinesis, pyrokinesis, and empathic powers attempt to decipher who they can trust or if they are being manipulated for some other evil purposes.