You shouldn't cover up your partner's past.
Bailey is talking to her boss Nancy about hiring her boyfriend Jared, and Jared has a criminal past.
Bailey wants Jared to get hired.
Bailey sets up a meeting between Jared and Nancy encouraging Jared to be completely honest with her boss.
Bailey praises Jared for being a law-abiding citizen, who never had a run-in with the police, to Nancy, so as to make him look better.
Jared gets the job, and Nancy's trust in Bailey increases.
When Jared's past is discovered through a background check, Jared is denied the job and Nancy's trust in Bailey decreases.