Cassie helps her father, Detective Tom Hackett, and his partner, Damien Asante, solve a young woman's murder using her unique psychic powers. She also encounters a supernatural spirit, Ed Roven, whose evil transcends time.

Tom and Damien enlist Cassie's help when a mother and her young son mysteriously vanish; when suspicion turns to the woman's husband, Cassie's visions reveal a darker, more vengeful plot. Ed Roven returns with an offer for Cassie.

Tom and Damien track a mysterious killer who has targeted several kids at the same high school. Cassie tries to help a woman solve her own death while her anxious family waits for news about her disappearance.

Cassie is drawn to a young mother who needs her help and encounters young Abigail once again. Tom and Damien investigate a complicated murder that has international ramifications.

When a serial killer strikes again, Cassie allows her visions to lead Tom and Damien toward the killer, leading to an unexpected twist in the investigation. Cassie also helps an old friend search for peace after the death of a loved one.

Tom and Damien investigate the mysterious death of a vibrant young woman, while Cassie's visions reveal a complicated family story. Cassie also encounters an idol from her childhood in the InBetween and helps him right some past wrongs.

Cassie, Tom and Damien investigate the cold case disappearance of Millie and soon realize that her disappearance may involve an old acquaintance.

Tom and Damien investigate the murder of a young schoolteacher, only to discover that her killer is someone very close to home. Cassie realizes that she must deal with Ed Roven once and for all.