Tensions simmer when Jay plays host to Gloria's mum and sister. Phil, meanwhile, tries to solve his kids' problems.
The squad continue to grapple with the clues provided by a serial killer in the hope of saving a potential victim. Reid discovers that details from his personal life might be able to help them solve the case.
Following the storm, a mudslide causes many injuries; Meredith faces a decision that will impact a loved one; Callie is rocked by Arizona's infidelity.
Paul stands in the way of Susan receiving a kidney transplant; Tom passes up a lucrative job to continue working with Carlos; Andrew's alcohol consumption increases, worrying Bree.
Jane and the CBI team try to find the killer of a bank employee who was murdered during a heist.