Late at night in Spain, a middle-aged man ran in panic in the jungle and was eventually hit and seriously injured by a speeding car on the road. The police initially found out that this man was a morgue guard and he must have seen some horrible scene before the accident. After further investigation, it was found that a body was lost in the morgue that night. The body was named Maka Villaverde (Belen Rueda), a powerful business woman who died of a heart attack shortly after returning from Los Angeles by plane that afternoon. The police contacted Maka's husband, Alex (Hugo Silva), who was accompanying his lover at the time. His indifference when talking about his wife made people question the relationship between them. With the weird and murderous atmosphere, the truth gradually surfaced...