Marpleisextremelyproudwhensheisappointedtotheboardoftrusteesofamerchantmarinetrainingvesselwhosemissionistorehabilitateyoungcriminals.Asinallofherendeavors,MissMarpleintendstotakeanactiveroleinthejobandevenshowsuptotheboardmeetingdressedinnavalblues.Whenafellowtrusteeispoisonedjustpriortohismakingsomekindofrevelation,MissMarpledecidestouseherpositiontospendtimeontheship.Thisupsetsthevessel'sfragilesocialnetworkasshedispossessesblusteringCaptainRhumstonefromhisquarters.Whentwoship'sofficersarelaterfoundmurderedalso,MissMarpleenlistshelpfromherfriendJimStringerandInspectorCraddocktoexposethemurderer.
更新：
2025-04-21
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