A couple finally gets their dream son, and he's perfect, until you realize perfection is the con. Migi and Dali aren't trying to steal from their parents; they're trying to steal a life they were never supposed to have, and the show knows the difference between cruelty and desperation. By the end, you won't know who to root for, and that's exactly the point.

The Sonoyamas, a wealthy and aging couple, can take in only one child from the Soramame House orphanage, and they settle on 13-year-old Hitori. He's intelligent, graceful, and impossibly perfect. Hitori isn't who he claims to be. He's actually two people: twins Migi and Dali, orchestrating an elaborate deception behind a single identity. Playing the ideal son is only a means for them to get into a certain quiet town. While guarding their cover, the twins dig into a past incident that left them hungry for revenge, turning a story of adoption and new beginnings into a dark mystery drama.