When author Rosie Reynolds receives a plea for help from her estranged grandfather, she finds herself reluctantly drawn into yet another intriguing mystery.
Her grandfather drops a bombshell, claiming he witnessed his best friend's murder seventy-five years ago on the D-Day beaches. He wants Rosie to uncover the truth, despite the accused being a revered war hero and philanthropist. Though initially hesitant, Rosie's curiosity is piqued when her grandfather promises to reveal the reason for his mysterious disappearance from her life forty years prior.
From the horrors of D-Day to the recent murder of a journalist close to her boat at Cowes Marina, Rosie finds herself navigating treacherous waters. Caught between family obligations and her growing feelings for fellow yachtsman and aspiring MP, Freddie Carmichael, Rosie's investigations unearth a chilling secret. As danger mounts Rosie turns to her sceptical friend Daniel for assistance, but even he may not be enough to navigate the web of lies and betrayal.
When Rosie's grandfather is attacked and she faces a harrowing ordeal at sea, it seems as though justice may slip through their fingers. With adversaries closing in, Rosie and Daniel must summon all their bravery and resourcefulness to navigate the stormy seas ahead.