Otis (Asa Butterfield) has had pretty unconventional SEX EDUCATION. His mom, Jean (Gillian Anderson), is a sex therapist who practices the sexual freedom she preaches to her clients and to her son. So maybe it's no surprise that when savvy school pariah Maeve (Emma Mackey) points out that many of their classmates are struggling with their own sex lives, Otis is ready to dispense some of the wisdom he's heard over the years. But is their business just business? Or is there something else brewing between the two?