As Sam gets political with his art, Elsa and Doug explore a (not-so-normal) weekend away. Casey and Izzie re-examine their relationship.

As Casey reaches a crossroads, she finds herself questioning a lot of things. But in the meantime, she helps Sam get over a hurdle of his own.

Sam, an 18-year-old on the autism spectrum, takes a funny, yet painful, journey of self-discovery for love and independence and upends his family.