Zack and Jason befriend a man and his daughter who are on the run from the man's ex-wife. Sean promotes Carrie to lieutenant despite Zack's attempts to catch a purse snatcher.

During a rescue, Jenna's reckless behavior places her life in danger and that of Zack, who rescues her, in return. Because of the rescue, Zack is in danger of losing his hearing because of the rescue which stirs up feelings of remorse on Jenna's part. Sean discovers that the rescue was a false alert and discovers that it was Councilman McKenna's own son who was calling in the false alerts which put Jenna and Zack in danger in the first place. Pat Morita (The Karate Kid) makes a guest appearance as Kekoa's father.