"I should never have become friends with the couple upstairs... The first time I step inside this cosy apartment with its sash windows, just minutes from the sea, I think it would be the perfect place for me and my partner Zac to start again. A chance to leave our troubled past behind. Chris and Vanessa, the couple upstairs, are so welcoming: smiles, flowers, a home-baked cake. It's strange how he does all the talking, and she seems so shy, but I'm...