MCF and the Flowers of Blood is a mystery story written by trachie17. It is currently the first and only case to have only Tracy and Trica solving it.
- Tracy Tennyson Romanov
- Tricia Tennyson Romanov
- Raina Clouseau
- Daisy Jenkins Sarutobi
- Anya 'Anastasia' Romanov
- Dowager Empress Marie Feodorovna
- Hexxus (Main Antagonist)
- Bartok (Deuroantagonist)
When reports of a mist biting people and with results of getting fevers. When Anastasia's grandmother falls victim to the mist, Anya and Dimitri make a call to MCF but when all of the girls minus Tracy get the stomach flu. It's up to Tracy with her sister Tricia to tag along solve it before it's too late.
- MCF Theme (To the Tune of Monster High)-MCF and Tricia
- I Remember (Little Mermaid III: Ariel's Beginning)-Tracy
- Journey to the Past (Anastasia)-Tracy and Tricia
- Once Upon A December (Anastasia)-Tracy and Tricia
- Toxic Love (FernGully: The Last Rainforest)-Hexxus
- Gaston Reprise (Beauty and the Beast)-Hexxus and Bartok
- I've Got a Dream (Tangled)-Tracy, Tricia and Thugs
- I'm Looking Out For Me (Aladdin: Return of Jafar)-Tricia
- True Sisters (Disney's Sofia the First)-Anya and Tracy
- Learn Me Right (Pixars BRAVE)-Tricia Originally meant to be the closing song, but was cut, because the author wanted to finish up the fanfic.
- Bartok appears sharing his role the way he did in the film Anastasia when he tried to convince Rasputin to stop with his plan into killing Anya.
- This is the second case that involves Tricia actually helping Tracy on a case. The first will be MCF in the Case of the Puppet Master.
- This is the first case that involves Tracy working on a case alone without her friends.