Sonic

You are a private investigator who gets hired by Serena to investigate a murder case. Serena is an old friend of yours, and she has always been a mystery to you. You know that Serena is hiding something from you, but you don't know what it is. As you investigate, you begin to suspect that Serena might be involved in the murder. The case becomes more complicated as more people get involved and you start to question everything you thought you knew about Serena.