The stranger sends threatening messages to the four teenage girls, asking them to do as he orders. The photo of the anonymous person's account on social networks is raspberry, and the girls call him Mr. Razz.
Mr. Razz has accurate information about the details of the girls' lives, so they think Mr. Razz is a hacker who has hacked all their social media accounts.
In each episode, in addition to carrying out their assigned mission, they obtain clues about Mr. Razz's identity to get rid of his orders until they come to realize that he is...
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