Lena loses her partner. The system matches her with Evan — the twin of Claire's husband, Ethan. To get close to Lena, Ethan begs Evan to swap places for a week. Claire recognizes Evan instantly. He's 07 — the boy she tried to save years ago, the one she never forgot. She says nothing and lets the swap happen. Seven days with her first love. As Claire and Evan grow closer, Ethan's plan falls apart. Five years later, Claire creates a drug that breaks the bond. She divorces Ethan. She marries Evan.
