The adventure death by IrishRunner

Man enters a jungle but is never seen again. His wife is getting weird letters from a strange person. They always say "meet me at the bank at 5:00". When she calls the police she gets another note saying " Take care of Sofie". She didn't know what it meant but a while later Sofie goes missing and is found dead in an abandoned house. Then the wife try's to find out who it is and it is her husband. When he try's to kill her on the spot he has a heart attack.