The team races to rescue unresponsive cliff jumpers; Will and Em hope to get over each other by rebounding with other people.
Em takes the day off, but races into action when she comes across an unresponsive cave diver; Laka searches for a missing local.
The team races to the rescue in the aftermath of an ATV accident; romantic tensions are high with Em and Will as well as Kainalu and Hina.
Gibbs and his agents investigate when a Marine crashes into a parked car after his parachute fails to open during a training exercise.
Christmas cheer is in the air as the lifeguards prepare for their annual toy drive; Sonny tells Laka he is not ready to become a lieutenant.
