Everyone has a dirty little secret they don't want anyone to find out. For Mycroft and Sherlock Holmes it just happens to be a crazy pyschopath of a brother who is determined to destroy everything they hold dear, beginning with the attempted murder of someone close to them. Crossover featuring Lester Nygaard and Khan.

Sherlock/StarTrek Fusion (Set in ST universe but no StarTrek Characters-for now). Sherlock Holmes is a pirate, who captures John in order to collect the bounty offered by the Federation and StarFleet for the former medical officer. Rated M. Eventual Johnlock(slow build). Written for Lets Write Sherlock Challenge 17. Chapter 2. In which Sherlock underestimates the commission.

Kobayashi Maru: slang term for a hopeless situation; Starfleet test of leadership and character in a no-win scenario. Reichenbach Falls: series of waterfalls in Switzerland; base of name of Sherlock episode S2E3. On some unusual connections between the two trials...

Un despertar, una realidad, recuerdos que simplemente no te dejan ser... un final, que debió suceder

...when a sociopath goes to war. He will force down his identity, his emotions, his humanity itself if necessary to reunite with those he lost. No matter what he has to do to make it happen. I'm so horrible at titles and summaries I had to steal a DW quote. Johnlock. First Khanlock! (In that they're the same person, not shipping them, not sure what to call that.) T for violence.

Sherlock is being taken to Baskerville for experimentation.

Sherlock is a Vulcan science officer on a Starship. John is a security officer. Sherlock goes into Pon Farr and John unknowingly shows up to inquire about odd noises.

When Doctor McCoy suffers an accident, Kirk looks for a doctor in the cryogenic capsules. He wakes up John Watson, who asks in return only one thing: his friend back. But will Kirk allow the most dangerous man he ever knew to come back to life? / Sherlock as Khan. Johnlock

They say you don't dream while you're in a coma, and certainly not while you're in one of the cryogenic sort. But Khan dreams. (Star Trek: Into Darkness/Sherlock crossover. Johnlock, or KhanxMOC, depending upon how you'd like to look at it. Khan-centric.)