Unforgettable Series 4 Episode Guide

Kidnappings, killings and under siege in a storm... it's a final series you won't forget!

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Episode 1: Blast from the Past

The search for a pair of drug couriers uncovers an assassination plot and a surprising secret that Carrie thought she had put behind her.
Episode 2: Gut Check

Carrie and Al are drafted to transport an embezzlement trial's eccentric star witness to Miami, Florida but there are hitmen out to on silence her.
Episode 3: Behind The Beat

A music student's murder leads Carrie and Al to an illegal nightclub owned by an Albanian mobster and into the dark underbelly of the jazz world.
Episode 4: Dollar and Scents

Following her nose helps Carrie link the murders of a deli employee and a computer hacker to a seductively handsome French securities dealer.
Episode 5: All In

Carrie and Al investigate the murder of an architect that leads them to Atlantic City and a casino heist and Carrie unexpectedly runs into an old flame.
Episode 6: The Return of Eddie

As Carrie's ex-husband Eddie returns to New York, the investigation into the murder of a tabloid photographer leads Carrie and Al to suspect it was more than a convenience store robbery gone awry.
Episode 7: We Can Be Heroes

Carrie and Al's investigation into the kidnapping of a renowned scientist's young son exposes a grudge harbored by a college classmate of the child's dad.
Episode 8: Breathing Space

When an aerospace engineer is killed, Carrie and Dr Delina Michaels go undercover together to investigate and discover a top secret project the engineer was involved in.
Episode 9: Shelter from the Storm

Carrie and Al arrest a mobster for murder but a hurricane forces them to seek refuge in an abandoned precinct house. The mobster's henchmen, however, are intent on rescuing their boss.
Episode 10: Game On

Carrie's investigation into the murder of a talented computer programmer exposes a successful businessman's dark secret in high stakes video gaming.