Richard learns that Charlie was having an affair with Sarah Lavender, providing James with a motive to murder. Richard is convinced he has solved the case, but then James is also murdered, forcing Richard to look deeper into the case, and search for a mysterious woman seen at the house on the day of Charlie's death as well as ponder the question - how can you murder someone in a locked room?
A bride is shot through the heart with a spear gun and tumbles off a balcony just minutes after getting married, in a room to which she did not have the key.
Richard teams up with new sergeant Camille to work out who would want the bride dead; he learns that no one had entered or left the fifth floor of the hotel room during the celebrations, which leads him to believe one of the party guests must be the killer. However, none seem to have concrete reasons to kill and all have alibis apart from the newlywed husband, after the maid is found strangled, Richard wonders if her cleaning in progress sign caused it all.
Richard investigates the death of June, who was strangled in her rented villa. The main suspects are Doug June's husband and an old colleague of Richard's, whom he dislikes, from the UK , Janice June's sister, who is the sole beneficiary of June's will and cleaner Estelle.
Richard learns Estelle is trying to sell June's stolen jewellery, but she has no real motive to kill June. When Janice recalls seeing one of the villa's owners leaving the crime scene, Richard begins to question whether June's murder is linked to a historical case back in the UK. As Camille, Dwayne and Fidel joke about saving Richard from a university reunion, one of the reunion members finds him stabbed to death with an ice pick.
