Deadline reports that Sophia Bush may return for a guest arc in Season 5 to bring Lindsay’s story to a natural end on Chicago P.D. The show almost certainly won’t kill Lindsay off just because Bush won’t be back.
The episode’s cliffhanger featured Lindsay alone on a bridge, ignoring a call from Jay and contemplating accepting an FBI job that would take her to New York.
While the news will undoubtedly be disappointing to fans who were counting on Lindsay having an arc in Season 5, we can at least take comfort in the fact that her departure was set up in the Season 4 finale.