It's a new year at Abbott Elementary, and Janine is as eager as ever. She plans a district-wide initiative – Career Day – and is anxious for it to be a success. Meanwhile, Ava has a new approach to her job, and Melissa is asked a surprising question.

After a student is caught smoking, the Abbott staff come together to revamp the outdated drug policy. Meanwhile, Janine tries to prep the new substitute teacher for her class but finds it challenging to give up her former role.