Holly Du Plessis leaves Paris and travels to London in a desperate attempt to move on from her lost love, Sid Harris. There, she reconnects with Denzel Anderson but his newly found happiness only deepens her feelings of loneliness and isolation. As she battles to come through what feels like the lowest point of her life she meets Adam Sheehan and is instantly captivated. Although there is something deeply disturbing about him, her need to feel love again convinces her to take what might be the greatest risk of her life. Adam Sheehan has travelled from his native Dublin with a plan to avenge an old injustice. When he meets Holly he is astonished by the helping hand that fate has just dealt him and she becomes an important piece in his game plan. However, things begin to look less straightforward as the consequences of his deceit begin to unfold. Adam's Apple takes the characters first introduced in All The Way Back To Here on a journey destined to either cement their friendship for life or drive them apart forever. It concludes The Harris Trilogy.