The team travels to New Jersey where several people have been poisoned, one fatally, with LSD 10 times more potent than the street version.
In the season three premiere, Mary (Zoe Perry) worries about Sheldon's mental health, after Dr. Sturgis experiences a nervous breakdown.
When corporate sends out a voting guide that only benefits the company's interests, Amy (America Ferrera) and Jonah (Ben Feldman) work together to put out a rival pamphlet until Jonah's personal life gets in the way. Dina (Lauren Ash) and Glenn (Mark McKinney) are stuck in an accidental cover up while Mateo (Nico Santos) goes to great lengths to hide his undocumented status.
When the COVID-19 pandemic hits Seattle, the Station 19 crew lean on each other for support; Andy tries to make sense of her mother's return; a group of teenagers unintentionally starts a wild fire.
Vic rallies the crew to pose for a calendar photo shoot that will support a good cause; Emmett comes clean to Ben and Sullivan and shows Andy a softer side.