Six psychiatric patients come together on an isolated vineyard to complete Dr. Marlow's treatment; after months of therapy, they finally get to meet the enigmatic doctor.
Upon arrival, all patients suffer a series of disturbing hallucinations before the breakthrough and rebirth ceremony begins.
Inspector Héctor Castro shows up to take over the doctor's murder case, and Cecilio Ramirez is the first one to get interrogated.
The next one interrogated is Ana Morantes, who recalls a memory that could turn her into the main suspect.
Castro continues with his interrogations, and it's the King and Queen's turn; The Polan marriage hides a dark secret that could be a possible motive for the doctor's death.
During the interrogation of Fariba, Castro delves deeper into the identity of one of the patients who could be considered a suspect in the murder.
Norman is the last of the suspects; the revelation of the Horse during his ceremony is a real threat to Dr. Marlow's life.
After the interrogations, Castro can't prove if any of the patients are the killer.
