When Pete and Ellie decide to start a family, they stumble into the world of foster care adoption. They hope to take in one small child but when they meet three siblings, including a rebellious 15 year old girl, they find themselves speeding from zero to three kids overnight.

Sam, a neurodivergent man, has a daughter with a homeless woman who abandons them when they leave the hospital, leaving Sam to raise Lucy on his own. But as Lucy grows up, Sam's limitations as a parent start to become a problem and the authorities take her away. Sam convinces high-priced lawyer Rita to take his case pro bono and in turn teaches her the value of love and family.