When Pete (Mark Wahlberg) and Ellie (Rose Byrne) choose to start a family, they stumble headfirst into the world of foster care adoption. After they learn their perfect foster child comes with two other siblings, Pete and Ellie find themselves speeding from zero to three kids overnight and must hilariously learn the ropes of instant parenthood if they hope to become a real family. Inspired by a true story, INSTANT FAMILY also stars Margo Martindale, Julie Hagerty, Isabela Moner, Tig Notaro and Octavia Spencer.