In March 2014, the parents of Lisanne Froon and Kris Kremers waved their daughters off at Amsterdam's Schipol Airport as they embarked on a trip of a lifetime to Central America. 

A month later they received the news that no parent wants to hear. The young women had gone missing and no one had a clue where they could be. 

This epiosde was written by Ella MacLeod and produced by Richard MacLean Smith

Go to twitter @unexplainedpod, facebook.com/unexplainedpodcast or unexplainedpodcast.com for more info. Thank you for listening.

See omnystudio.com/listener for privacy information.