this is interesting let's wait &see the end, at least he had highlighted before about the sperm to his girlfriend. They want to cause confusion and separate them.
I hope she got pregnant with the sperm which is not from Dan Han, it seems Ji tae's plans are always working against him. He is not the master planner. I cant wait for the 2 clowns( Nkown nara &Jitae) to be chased away once and for all.