An experimental submarine and its passengers ends up in a devastating tragedy for Allie, who finds & loses love all too quickly. She finally learns to trust Nick, a rescue swimmer working at the U.S. Coast Guard; a man she's been into for two weeks. Nick takes some huge risks when trying to save the passengers in the submarine, which unfortunately leads to him getting a severe case of the bends. He never wakes up, and Allie is devastated. Mitch arranges a lifeguard memorial service for Nick. Mitch tells her "Nick wasn't a lifeguard, but he died being one."