Mystery at the Crossford's Inn

Three best friends Becky Michelle and Carrie fall upon a mystery of a kidnapped girl(Aliena) which leads them to a series of unexpected events including a theft of the hidden treasure at the Crossfords inn where they are staying to unravel a gang of kidnappers. While searching for some clues they come across the hidden intentions of them making the treasure disappear in front of their eyes and capturing them in an old abandoned house. How will the girls solve this mystery?