Follows 20-year-old Drea, who reluctantly takes a job babysitting for a professor of a college she hopes to attend. Struggling to entertain the professor's children Trissy and Jake, along with her own little brother Phillip , Drea takes them on a hike, unaware that mysterious alien critters have crash-landed and started devouring every living thing they encounter.

In a city where super-powered people are ostracized, an earnest day laborer considers using his outlawed abilities for money to save his sick mother.

Lost Girl focuses on the gorgeous and charismatic Bo, a supernatural being called a succubus who feeds on the energy of humans, sometimes with fatal results. Refusing to embrace her supernatural clan and its rigid hierarchy, Bo is a renegade who takes up the fight for the underdog while searching for the truth about her own mysterious origins.