When the government detects a mysterious object drifting through the solar system, Pro Hero Dynamight (Bakugo) and his team are sent into space to investigate. Expecting a dangerous alien invasion, they prepare for battle. Instead, they find a baby. A tiny alien baby floating among the stars in a glowing cradle of light. Now Bakugo and his team must figure out who she is, where she came from, and why something terrifying seems to be searching for her.