Author and rehabilitator Terry Mazier wants to save every injured hummingbird in Los Angeles. Terry takes in the most fragile patients through her volunteer hummingbird rescue, but the path to survival is filled with uncertainty and drama. Throughout Sally Aitken's intimate and moving documentary, we follow Terry's hummingbird patients -- including Cactus, Jimmy, Wasabi, Raisin and Mikhail -- as they celebrate their small victories and lament their small tragedies. Through the eyes of America's busiest bird rehabilitator, each bird becomes unforgettable, powerful and heroic. As she nurses injured hummingbirds back to health, Terry embarks on her own transformative journey, revealing a visually captivating and magical story of love, healing, and the subtle beauty of small acts of kindness.