We'retransportedbacktothetropicalislandofSaintMarie,andthistimewithanewDetectiveInspectorinplace-butwillDIMervinWilsonremaininthejobforlonbbb?Followingtherecentlycrackedcaseof‘whoshottheSantas?’,alongwiththerevelationthathisestrangedmotherhaspassedaway,Mervinisreadytogetbackhomeandleavetheislandforgood.Butwhenacaseclosetotheheartsofthoseatthestationpresentsitself,ishetemptedtoextendhisstay?AsMervincontinuestorufflefeathers,thepoliceteampulltogethertosolvesomeoftheisland’smostconfoundingcasesyet.