On-Call (One Direction/Grey's Anatomy AU)

Louis is a cardiac surgeon and Zayn is a general surgeon, both working at St. Michael's Hospital in Doncaster. Both men are brilliant in their fields. One day, the new interns arrive and Louis and Zayn worlds are both turned upside down when they discover an attraction to the new interns.
Harry and Liam are interns at St. Michael's Hospital. Liam was best in his class and Harry took night school to help support his family. Both boys become fixated on the two leading residents.
This story involves complicated relationships, sex, love, and a few too many drinks at the bar. Read on to find out how it all plays out.