A businessman throws a party at his house; Laura Lebrel joins the celebration as part of a police operation; when the party is over, the man retreats to his bedroom, but some minutes later, strange noises start to come out of the room.

The quiet life in a small town is disturbed after a man is murdered during a public meeting; however, the main suspect is the victim's niece and main heir to his fortune.

A man ends up dead in a posh house after meeting his lover, who escapes the property in fear; Laura and the police must find her and arrest her.

An actress is murdered during the shooting of a scene; Laura starts working on the case as her friend Maite is also involved in the play.

A prestigious chef is found dead in his restaurant; Laura believes there is something strange about his unexpected death after unintentionally attending the funeral.

Laura loses her vision for a few hours in a domestic accident; while in recovery, she eavesdrops on someone planning to commit a murder.