night as an apology for neglecting her. Heidi goes ahead whilst Carl attends a meeting. She receives a call informing her that Carl is waiting for her. When Heidi goes to meet him, she sees Gaz and realises that he has pretended to be Carl. She flirts with Gaz and they have sex. Gaz then takes a photo of himself and Heidi in bed on his mobile phone. Carl calls Heidi telling her that he has arrived and is coming to meet her. Both Heidi and Gaz get dressed and Gaz hides as Heidi and Carl go down to the bar. Gaz leaves the hotel room, forgetting to retrieve the watch that Carl gave him. Rae Wilson (Alice Barlow) finds the photo on Gaz's phone and sends it to Heidi. Gaz discovers that Rae sent the photo and Heidi hears them arguing. Rae tells Heidi she sent the photo to protect her and Heidi deletes it. Gaz's watch is then delivered by a courrier and is given to Jason, who questions Gaz as to why it was in the hotel room. Gaz admits to Jason that he slept with Heidi. Jason responds by hitting Gaz but is interrupted by Carl. Carl questions Jason, who demands Heidi to tell the truth. Heidi then tells Carl that she slept with Gaz. When Riley becomes engaged to pregnant Mercedes McQueen (Jennifer Metcalfe) Heidi makes frenemies with Myra McQueen (Nicole Barber-Lane) as they often clashed on how to plan the wedding. During the wedding, it is revealed that Mercedes and Carl had a four-month affair, leaving Heidi devastated that he'd cheat on her again. She is comforted by Jason and Seth, and walks out keeping her head held high to retain some dignity. Heidi is unaware that after the wedding, Silas kidnapped Mercedes and is currently holding her hostage in the basement under the Dog in the Pond. Heidi tells Carl to move out of The Dog and Jason is devastated when Heidi tells him that her and Carl were getting a divorce and storms out. For Halloween, Texas Longford (Bianca Hendrickse-Spendlove) invites Heidi and Riley to "Fright Night" in Chez Chez. Heidi excitedly gets ready for the party and is disappointed when Riley decides not to go, although she reminds Riley and Seth how much she loves them both. Later on, Heidi goes to the party dressed as 'Catwoman', unaware that Lynsey Nolan