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Mitch's mother Irene comes to Los Angeles for her annual visit. However, this year Mitch and Hobie realize that everything isn't what it used to be. Irene not only forgets her carry-on bag on the plane, she goes onto the wrong plane as well. Because of this Mitch thinks that something is seriously wrong with her.

Later Irene shows up at headquarters, telling Mitch she can't remember where Hobie's school is or the name of it. Mitch convinces Irene to see a doctor. It turns out that Irene has Alzheimer's disease. She wants to tell Hobie herself. She does that while they are walking in Venice and when Hobie goes to get some hot dogs, a mom and her child comes up to her asking for direction. When Irene doesn't remember the answer to their question, she gets confused and runs away. Hobie runs to headquarters and tells Mitch about it and he organizes a search.

Meanwhile, Irene gets robbed by two guys and her purse is later found by Hobie, J.B. and Connor. Mitch is finally able to find Irene crying in a corner. After the incident, she decides to start taking her medicine.

Meanwhile, Cody trains for the Olympics with Stephanie, but she notices that Cody isn't trying very hard. Cody admits to her that after his parents' death, he isn't sure if he wants to compete in the Olympics anymore. He has lost all of his motivation. Stephanie decides to cut down on the training until Cody makes up his mind on what he wants. When Logan finds out about this, he calls Cody a quitter. This makes Cody furious and this gives him his motivation back. Now Cody is determined more than ever to reach the Olympics, even if it's just to prove Logan wrong.

The day before, Stephanie and Cody was forced to rescue a jet skier who has fallen just because of some drunk people in speedboats. When Cody is about to swim to Catalina, the drunk people return. This time they almost runs over Cody before they smash into each other and needs to be rescued by both the lifeguards and the Coast Guard. Add a recap »