Vengeful Heart

Newlywed Linh undergoes a heart transplant and soon experiences unexplained phenomena, including sleepwalking to a remote house in Da Lat. Her body becomes a vessel for another person’s memory, complicating her sense of safety and identity. She is drawn into a web of secrets that she must navigate to protect herself and those around her.

Cu Hu is a longtime friend of Phuong and Tam who becomes Linh’s ally in uncovering the truth. He harbors a protective loyalty to Phuong and uses his knowledge to guide Linh through a labyrinth of debts and loyalties. His revelation of hidden feelings for Phuong adds a personal, bittersweet layer to the mystery.

Tam is Phuong’s husband, entangled in secrets and debt that drive the plot toward tragedy. He manipulates circumstances to conceal the truth, yet his actions ultimately entangle him in a moral quagmire. His relationship with Hong and the lies around Phuong’s fate reveal a complicated web of guilt and consequence.

Phuong appears as a central figure connected to Linh’s heart and Ba Lê’s daughter. Though she is believed to be dead, she is revealed to be alive and pivotal to the unraveling truth. Her presence forces a confrontation with Tam’s choices and with the life she seeks beyond the confines of memory and ritual.

Bà Lê is Phuong’s mother and a key ritual figure who invites Linh and Tam to stay for Phuong’s 49-day ceremony. She embodies a maternal authority tied to memory, tradition, and the weight of what must be faced after tragedy. Her presence anchors the film’s emotional and cultural stakes.

Hồng is Tam’s mistress and later revealed to be connected to the heart Linh carries. Her death is central to the investigation and the revelation of deeper betrayals. Her memory lingers as a catalyst for the unraveling of truth and the consequences of desire.

Sơn is a longtime friend whose involvement surfaces through the car accident that killed Phuong. He grapples with guilt and the burden of truth as the investigation unfolds, ultimately reflecting the film’s themes of accountability and reconciliation. He witnesses the shifting tides of fate and memory.