Marcella is working deep undercover investigating a crime family in Belfast.

Episode 1 of 8

Drama

Crime

Marcella returns as an undercover detective in Belfast. She has taken on a new identity, Keira, and has infiltrated the infamous Maguire crime family.

Marcella

Series 3

Marcella returns as an undercover detective in Belfast.

Rav heads to Belfast to investigate Bobby while Marcella delves deeper into the Maguires' criminal world.


Episode 2 of 8

Rav discovers Marcella is working undercover. Tough-guy Jack is released from prison and rejoins the Maguire family. The fallout from Jessie's death ripples through the community.



Episode 3 of 8

Marcella's mental state is beginning to fracture. Bobby is arrested and Katherine takes control of the city by getting rid of those in her way.

Episode 4 of 8

Marcella investigates the truth about Bobby. Trying to track down her own stalker leads to a shocking truth. Stacey attempts to escape the family with her baby.

Episode 5 of 8

We discover the origins of the Keira persona in flashback, and Marcella realises the extent to which her past is still haunting her.

Episode 6 of 8

Marcella cuts ties with her old life as she engineers to become the centre of the Maguire family with Finn. Meanwhile Marcella's old conscience continues to threaten her.

Episode 7 of 8

The showdown: The fault lines Marcella has set in motion within the family reach crisis point, whilst our heroine confronts the ultimate choice regarding her identity.