What's the Name of That Book??? discussion

The heroine always helps her sister (twin I think?) Her sister is always at vampire bars. She always calls heroine to help her. When the sister goes missing heroine goes to bars/clubs to look for her. She meets hero Max (British). He helps her find her sister. Villian's name is Carlisle. Read it about 5 years ago.

Fresh Blood by Jennifer Colgan?

Google search -- site:www.goodreads.com "paranormal romance" vampire "her sister" max carlisle

Thank you it's it!