K.T. Thangavelu

Patrick investigates the identity of a woman with amnesia who stepped in front of Van Pelt and Cho's car. Hightower issues Rigsby and Van Pelt with an ultimatum.

Christy competes with her classmates for a prestigious internship, and Bonnie babysits Tammy following her oral surgery.

The relationship between a liver donor and the intended recipient throws the team into an ethical quandary.

A teenage girl is sent to a psychiatric clinic when her family observes her very odd behaviour following the death of her twin sister. During a clinic group outing in town, the girl runs away and hides in Melinda's store, where her twin sister appears and blames Melinda for revealing the girl's whereabouts to clinic authorities.

Callen and Sam run protection detail for retired Navy Admiral Kilbride in an operation to locate a missing naval intelligence officer.

Mark follows Addison to Oceanside Wellness in hope of helping his daughter; Naomi and Dell try to raise their children under the same roof; Cooper and Violet don't agree on how to treat a patient.