Plot Summary

Starring Mark Wahlberg and Rose Byrne, Instant Family tells the heartfelt and often hilarious story of Pete and Ellie, a couple who decide to start a family and find themselves suddenly adapting to an entirely new life after adopting three siblings.

When Pete (Mark Wahlberg) and Ellie (Rose Byrne) enter the adoption process, they meet three siblings—including a rebellious 15-year-old girl portrayed by Isabela Moner. Overnight, they go from having no children to navigating the chaos, challenges, and emotional ups and downs of raising three kids at once. As they step into the unfamiliar world of foster parenting, Pete and Ellie must quickly learn patience, resilience, and unconditional love.

Blending comedy with genuine emotional depth, Instant Family offers a warm and sincere look at modern parenthood, exploring what it truly means to become a family—not through perfection, but through commitment, growth, and shared vulnerability.