An old acquaintance of Eddie's comes to L.A. but it quickly becomes apparent that Eddie does not welcome this visit. Trevor dates a rich woman that is a handful for him to deal with and Mitch worries about upcoming mandatory tests that all lieutenants, including him, must take.

A local business owner organizes a shark derby but the event quickly spirals out of control and leads Jill to run into the water to save a little boy but then is attacked by the shark.

Two thieves lose their loot under a lifeguard tower and Shauni is swept off her feet by an eccentric beach poet.