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.
After a disastrous dinner with Paige's family, Sam makes amends at the school dance. Casey's fury at her mom affects her relationship with Evan.
When Paige makes a confession to Sam, he creates a checklist to figure how he feels. Things with Nick suddenly get too real for Elsa.
Paige proposes having an autism-friendly school dance to the PTA. Sam makes preparations for losing his virginity. Doug and Julia help each other.
Sam becomes rattled after Paige invades his bedroom. Casey visits Clayton Prep and gets a taste of what life away from her brother would be like.
When a classmate shows interest in him, Sam makes a list of pros and cons to see whether she's girlfriend material. Casey gets a prestigious offer.
Sam decides to update his look. Casey learns a family secret. Feeling like her family no longer needs her, Elsa seeks attention elsewhere.
When Sam learns his crush is already taken, dad Doug helps him woo her. A lost credit card sends Elsa back to the bar. Casey hears rumors about Evan.
Interested in having a girlfriend, Sam researches dating advice and puts it to the test. Meanwhile, his overprotective mom Elsa must learn to let go.