精简剧情：We’retransportedbacktothetropicalislandofSaintMarie,andthistimewithanewDetectiveInspectorinplace-butwillDIMervinWilsonremaininthejobforlong?Followingtherecentlycrackedcaseof‘whoshottheSantas?’,alongwiththerevelationthathisestrangedmotherhaspassedaway,Mervinisreadytogetbackhomeandleavetheislandforgood.Butwhenacaseclosetotheheartsofthoseatthestationpresentsitself,ishetemptedtoextendhisstay?AsMervincontinuestorufflefeathers,thepoliceteampulltogethertosolvesomeoftheisland’smostconfoundingcasesyet.