《天堂岛疑云第四季》剧情解析：主角为什么总是一个人查案？

简介：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 become…