Charlie and Alison share a genuine love, but their relationship is suddenly interrupted when Charlie wakes up one morning to discover their apartment’s back door wide open and Alison missing. She disappears without a trace, leaving Charlie devastated. Over time, he manages to move on, finding happiness with his stunning new fiancée and nearly erasing Alison from his memory. However, years later, a mysterious package arrives, and its shocking contents thrust Alison back into Charlie’s life in a disturbing manner.