Following the storm, a mudslide injures first responders and citizens; Meredith faces a decision that will impact a loved one; Callie is rocked by Arizona's infidelity.
The staff continue to assist those affected by the storm. Meanwhile, Callie makes a bold decision regarding her relationship with Arizona, and tragic news brings the doctors together.
The BAU travels to Chicago to investigate a case where red roses are left on victims; Rossi gets an unexpected visit from his ex-wife.
