The Rose Killer

A girl named Lena who lives in a small town with her best friend. Lena is a detective on a case. in her hometown, where she has lived her whole life, there is a murderer. Nobody has found him yet, but there's a new murder mystery every day. There's just one thing that's different about this murderer than the rest. He always leaves a red rose at every murder. Will Lena be able to find this mysterious killer that's on the run?