Passenger Episode 4, 1 April 2024, ITV1

Passenger’s fourth episode, airing on ITV1 on Monday, 1 April 2024, at 9:00 PM, explores the aftermath of Riya Ajunwa’s (Wunmi Mosaku) discovery of the missing bins, as she finds herself in a perilous situation. Her conversation with the enigmatic Nina Karlsson, linked to the mysterious disappearance of Mehmet, leads to a confrontation with her superior, Linda. Riya’s determination to uncover the truth behind Mehmet’s absence grows stronger, even as she faces professional repercussions.

The investigation takes an intriguing turn as Ali and Nish, in an attempt to assist Riya, stumble upon a clue within the bins’ contents, linking the mystery to a fracking site. Meanwhile, Jim, faced with unforeseen circumstances, has no choice but to reopen the site, unwittingly becoming a key player in the unfolding narrative.

The emotional toll of the investigation takes its effect on Eddie, who struggles to balance his personal life and commitment to the case. As pressures mount, Eddie’s resilience is tested, culminating in a pivotal moment at the boxing gym.

Elsewhere Riya’s personal life intersects with the probe, as her old flame Nick reenters the picture. Will Riya’s focus on the case withstand the allure of their past connection?

With each passing moment, the mystery deepens, drawing the viewers closer to the heart of the conspiracy.

Passenger stars Wunmi Mosaku as former Met Police Detective Riya Ajunwa, alongside David Threlfall as fracking site manager Jim Bracknell, Jo Hartley as Chief Constable Linda Markel, and Arian Nik as Nish Chowdry.

The six-part series, which premiered on 24 March 2024, is written and created by Andrew Buchan.