Relationships between couples can deteriorate over time. After twenty-five years of neglect and selfishness by Paul, Rita finds herself driven by lust, excitement and the attention of an attractive man: her husband's friend, David. Paul is shocked and hurt by Rita's desertion and he decides to take himself on an adventure by helping another friend deliver a yacht to Portugal. There, he meets two women who persuade him to join them on their yacht travelling to the Canary Islands. Therein, another adventure unfolds which both surprises and excites him. Meanwhile, Rita and David's relationship continues to flourish, until one day after work, Rita returns home to find David dead. During investigations, the detective inspector finds secrets of which Rita was not aware. It turns out that David was attracted to Rita for much more than she ever realised.