Following the release of Ben's killer from prison, Jonah continues to struggle with anger and grief confronting the killer and putting family bonds to the test, and Mae and Sarah face painful truths that could change everything. Meanwhile, Danny and Lena take on a high-stakes case that uncovers deep-rooted secrets and forces unlikely alliances.

Danny, Sarah and Lena race to stop a looming threat on St. Patrick's Day. Meanwhile, homesickness sparks a family gathering, and Lena's personal life takes a hopeful turn.