On the night of her 21st birthday, popular and outgoing law student Mia Baxter suddenly disappears without a trace. When one week passes by and Mia doesn't return, four college students are left wondering what happened to her that night.  

 

Unfamiliar with one another, Mia's anxious brother Blake Baxter, secret lover Riley Walker, class acquaintance Carmen Ramirez and introverted friend Hero Flynn are unexpectedly sent mysterious notes individually. 

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Each with a connection to Mia, they suddenly thrown together to uncover the secrets, betrayals and lies that have caused Mia to disappear on the night of her 21st birthday, and find her... before it's too late.