British detective inspector Kris Marshall is assigned to investigate a murder on the paradise island of Saint-Marie in the Caribbean. The victim is found with a knife wound to the chest, and it appears that he was stabbed multiple times. The investigation quickly reveals that the victim was a wealthy businessman who had recently become embroiled in a political scandal.
As the case progresses, Kris discovers that there are several potential suspects, including a local businessman, a corrupt politician, and a disgruntled employee of the victim's company. However, all of these individuals have strong alibis and are not able to provide a clear motive for the crime.
With time running out, Kris must race against the clock to solve the case before it becomes too late. He begins to delve deeper into the victim's personal life, interviewing his family, friends, and associates. It soon becomes clear that the victim had a secret that he was hiding from everyone, including his wife.
Kris uncovers evidence that suggests the victim was involved in illegal activities, including money laundering and tax fraud. As he continues to dig deeper, he also discovers that the victim had been having an affair with a woman named Emily, who was pregnant with their child.
With the help of his team, Kris is able to piece together the puzzle and identify the killer. It turns out that the suspect was actually the corrupt politician, who had been blackmailing the victim for years. The politician had been trying to extort money from the victim in exchange for silence, but when the victim refused to pay up, the politician went to extreme lengths to eliminate him.
Kris' investigation ultimately leads to the arrest of the corrupt politician and the conviction of the other suspects. The victim's family is finally able to move on with their lives, and Kris is hailed as a hero by both the public and his colleagues.