A letter send to five people invites them to win 300.000 euros. While all of them are suspicious of it being a prank, they all get to the designated place.
Detective Bekas doesn't believe that the law student is guilty of murder so he looks at different angles with increasing suspicion of the victim's step sister.
The detective gets stuck near Larisa at night due to car trouble in the rain. He find refuge in a house where a married couple lives. The wife suggests that her husband is going to kill her at midnight.
Bekas tries to connect the case of the disappearance of a wealthy businessman with the deaths of the men involved in the blackmail of the previous episode.
The main police trio believes that a businessman murdered his wife and made it look like an accident by disposing her body in the sea and "planting" a witness.