Sibling rivalry rears its ugly head when Penelope's brother, who can do no wrong in their mother's eyes, shows up during a family getaway to San Diego.

Penelope catches Alex smoking pot at a concert. When Lydia develops a cough at the opera, she tries Dr. B's special lozenges.

Rain ruins Valentine's Day plans, causing more than one couple to have their first fight. Schneider tries to hide his wealthy background from Avery.

Schneider makes a big decision in order to please his visiting father -- at the expense of Penelope's family. Lydia finds Alex's confiscated pot.

At her ex's wedding, Penelope experiences a surreal conversation. Elena finds she has more she needs to say to her father. Dr. B gives Lydia her gift.

When a supermoon appears in the night sky, all the Alvarezes and their significant others discover an elaborate romantic setting fit for a marriage proposal.