Will and Alicia are stuck together in a hotel for a week of mandatory mediation in Lockhart/Gardner's latest case. Their client is suing her doctor for implanting a surgical device of his own design in her back during a medical procedure. She claims she had no idea she was being subjected to experimental medicine and has been in constant pain ever since. Complicating matters is that opposing counsel is Will's old flame Celeste Serrano (Lisa Edelstein). She knows all his tricks, and her strong connection with Will seems to spark a little jealousy in Alicia. Meanwhile, Eli takes charge of a crisis management case when a batch of tainted cheese leads to a listeriosis outbreak in an elementary school.