

Following on from the dramatic conclusion of the previous series, season 3 sees Marcella in Belfast as an undercover detective. She has taken on a new identity, Keira, and has infiltrated the infamous Maguire crime family but as she investigates their activities, questions come to the fore about how much she’s embraced the Keira personality and left Marcella behind.
Release Date
PremieredMarcella Season 3 released on January 26, 2021.
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Sign In to Track ProgressSeasons
Episode 1
Marcella is working deep undercover investigating a crime family in Belfast.
Episode 2
Rav heads to Belfast to investigate Bobby while Marcella delves deeper into the Maguires' criminal world.
Episode 3
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 4
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 5
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 6
We discover the origins of the Keira persona in flashback, and Marcella realises the extent to which her past is still haunting her.
Episode 7
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 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, and her future.
Marcella
Series 3
Following on from the dramatic conclusion of the previous series, season 3 sees Marcella in Belfast as an undercover detective. She has taken on a new identity, Keira, and has infiltrated the infamous Maguire crime family but as she investigates their activities, questions come to the fore about how much she’s embraced the Keira personality and left Marcella behind.
Release Date
PremieredMarcella Season 3 released on January 26, 2021.
Your Progress
Track your watching progress by signing in
Sign In to Track ProgressEpisode 1
Marcella is working deep undercover investigating a crime family in Belfast.
Episode 2
Rav heads to Belfast to investigate Bobby while Marcella delves deeper into the Maguires' criminal world.
Episode 3
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 4
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 5
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 6
We discover the origins of the Keira persona in flashback, and Marcella realises the extent to which her past is still haunting her.
Episode 7
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 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, and her future.