The Jetty's gripping finale unveils a devastating truth, forcing Detective
Ember Manning (Jenna Coleman) to confront her own past and the complexities of
loyalty. The episode opens with a flashback, weaving a poignant thread into the
narrative. We see a young Sylvia tending to a wounded Mack, highlighting a
moment of vulnerability that foreshadows future heartbreak. This scene also
reveals a source of lingering resentment in Ember, who feels abandoned by Mack
on her 17th birthday.

In the present, the weight of suspicion hangs heavy on Ember. Arrested for potentially withholding crucial evidence, she undergoes interrogation and learns the horrifying truth – the bone found at the boathouse belongs to Amy Knightly. Despite her denials, the discovery casts a dark shadow on her actions.
Released on bail, Ember attempts to maintain a semblance of normalcy. However, the celebration of Mack's life is overshadowed by the revelation about Amy's remains. Hannah, grappling with anger and grief, lashes out at Ember, demanding proof of her father's innocence.
The episode masterfully utilizes flashbacks to piece together the tragic events of the past. We see Amy, fueled by youthful rebellion, planning an encounter with Mack. These glimpses into Amy's life further emphasize her vulnerability and the manipulative forces at play.
The flashbacks also delve into Caitlin's story, revealing a disturbing parallel. We see her pressured by Joe, Mack's brother, to engage in a sexual encounter. This scene underscores the predatory nature of the men in these young women's lives.
Ember seeks answers from a distraught Joan, Caitlin's mother. The mention of a "Kitty" sparks a flicker of hope, but Joan's fragile mental state necessitates her sedation. The truth, however, emerges from Caitlin, now a successful lecturer. Her initial denial crumbles as she admits the possibility of Amy leading a happy life. The revelation of Amy's death and Ember's lie about their connection shatters Caitlin's trust.
A pivotal scene unfolds as Ember learns from Caitlin that Joe, not Mack, took the incriminating photo of Amy. This detail propels the investigation forward, leading Ember and Hitch to visit Joe in prison. While Joe denies knowing Amy, the news of her death visibly shakes him.
The final episode unveils a devastating betrayal. Another flashback reveals the truth behind the photo – Caitlin, heartbroken by Mack and Amy's manipulation for Joe's blackmail scheme, ends her relationship with Caitlin. The scene culminates in a tender moment, a kiss shared between Caitlin and Amy, hinting at a deeper connection.
Ember experiences a moment of self-discovery, recalling her 17th birthday night. It dawns on her that Mack lied about his whereabouts, shattering the foundation of trust she held for him. Sylvia, burdened by her own secrets, finally reveals that Mack left that night for a job.
Driven by a renewed sense of urgency, Ember confronts Arj at the boathouse. His confession exposes a web of deception. Arj admits to moving Amy's body and setting fire to the boathouse, but vehemently denies killing either Riz or Amy. However, a crucial detail from the past resurfaces. The sound of a boat triggers Ember's memory, linking it to the chilling recording of Riz's murder. This realization dawns on her – Arj, not an unknown assailant, killed Riz.
Arj, cornered and desperate, admits to both murders. However, another devastating truth emerges. Ember's fragmented memories resurface, revealing she was driving the car that hit Amy. This shocking revelation rewrites the narrative, forcing Ember to confront her role in the tragic events.
Despite Arj's attempts to justify his actions, Ember refuses to be complicit. She insists on facing the consequences and heading to the police. The scene culminates in a desperate struggle, with Arj attempting to strangle Ember. She narrowly escapes his attempt on her life, and Arj, consumed by despair, sets himself on fire.
The aftermath of the tragedy leaves a profound impact. Ember and Caitlin choose to protect themselves from further anguish. They withhold the truth about Ember's role in Amy's death, pinning the blame solely on Arj. This decision raises questions about justice and the weight of truth.
A glimmer of hope emerges as Ember, Miranda, and Sylvia gather to scatter Mack's ashes. The ceremony acknowledges his flaws but reaffirms their love for him. Sylvia offers a heartfelt apology for her shortcomings as a mother, paving the way for potential healing and forgiveness. The episode concludes with an embrace, signifying the importance of connection and support in the face of loss.