What Remains

An aging detective nearing retirement who remains obsessed with Melissa Young's case. He unofficially continues the investigation, using archery as a coping ritual to stave off isolation. His stubborn persistence pulls him deeper into the building's tangled secrets and tests his resolve.

Owner of the top flat whose death goes unnoticed for two years, her body hidden in plain sight. She is linked to a photo shoot with Elaine and Peggy, revealing a network of manipulation. Her past relationships and presence haunt the tenants, foreshadowing motive behind the murder.

A young man who, with his partner Vidya, has just moved in. His affair with Liz Fletcher exposes fragility in his relationship and his immaturity in handling consequences. His actions propel the conflict and highlight the danger of hidden impulses within close quarters.

Pregnant and newly arrived, Vidya becomes a focal point around which suspicion and loyalty pivot. She demonstrates resilience in a dangerous environment and forms a bond with Len as the case escalates. Her presence tests the limits of trust among the tenants and leadership.

A designer who uses Melissa in a photo shoot and leverages fear to keep others under control. Her manipulative nature and willingness to trap others reveal a capacity for ruthless power plays. The confrontation with Len and Vidya exposes the cost of control.

A designer whose loyalty is entangled with fear and dependence on Elaine. She becomes part of the web surrounding Melissa's death, and her eventual demise underscores the brutal consequences of keeping secrets in a shared space.

A journalist and Melissa's ex who carries a complicated history including alcohol and past mistakes. His relationship with Patricia adds tension to the group, and his actions influence how the truth about Melissa emerges.

Kieron's girlfriend who pushes to publish the truth about Melissa's death. She navigates loyalty and journalistic duty, helping to uncover the deeper dynamics at play and becoming a pivotal voice in the pursuit of accountability.

A middle-aged maths teacher sharing a flat with Liz. He confesses to Melissa's murder during a moment of instability, but the confession is a ruse to shield Liz, highlighting how manipulation can distort the investigation.

A far younger resident whose presence grows increasingly unstable. She is revealed as the killer behind Melissa's death and drives the attic confrontation, attacking Vidya and evading capture until the final showdown.

Kieron's son whose behavior and reactions reflect the broader consequences of the adults' hidden struggles. His presence underscores the generational ripple effects of the household's secrets.