Finally, A Case!

Sequel to Time Makes it Harder
Johnlock (Ghost!Lock) x Destiel (Crossover fanfiction)
When Sam, Dean and Cas read about a case in London about 2 lovers commiting suicide, one after the other, they just can't resist. Travelling across the world, they arrive merely to gank 2 ghosts who are in love, but these poltergeists have different ideas.