Chicago Fire Season 3 Episode 13

In part one of the crossover with Chicago P.D.: Additional clues about Shay’s death emerge. Meanwhile, Severide faces an old foe; Shay’s sister arrives, inspiring the firehouse members to reflect on her life; Otis’ grandmother relocates; and Boden sets out to help his dying father. (A Little Devil Complex (2) aired on Chicago P.D., S2E13.)