Following a deadly blaze inside a coffee beanery, the members of Station 19 find themselves on high alert as a beloved member of their team lands at Grey Sloan, leaving the future uncertain in the face of a life-threatening situation. The crossover starts on Grey's Anatomy S15E23 What I Did for Love (I)
Elenco: Jaina Lee Ortiz , Jason George , Boris Kodjoe , Grey Damon , Barrett Doss , Jay Hayden , Okieriete Onaodowan , Danielle Savre , Miguel Sandoval , Alberto Frezza .