Cathy learns from Dr. Todd just how little time she has left, and for the first time in her life, starts to appreciate her body. Paul tries to make sense of his wife's request to live apart for the summer by signing up for couples therapy. Adam, desperate to get away from his "crazy" mom, attempts to sneak off to soccer camp without her knowing.

When Cathy's attempt to connect to the people closest to her fails, she signs up for a well-meaning but overbearing cancer support group. Adam rebuffs Cathy's attempts to connect with him, so she decides to put together a dinner party with Andrea, Sean and Daphne. Meanwhile, Paul tries to win back his wife's love with an elaborately romantic gesture. Marlene discovers Cathy's cancer secret in a most unusual way.

Dr. Todd and Cathy go to see the Bee Man to seek non-traditional treatment for her cancer. Paul is overly supportive of Cathy around the house. Sean gives Adam relationship advice about Mia.

Rebecca reveals a secret to Sean that reconnects them. Dr. Todd tells Paul and Cathy that the bee therapy did not work. Cathy reconsiders her options. Adam finally shows his softer side in an unexpected way.

Cathy seeks a second opinion, causing a strain on her relationship with Dr. Todd; Sean learns about his sister's cancer while adjusting to life with a pregnant Rebecca; Adam sees a therapist against his will.