The vase wasn’t particularly beautiful. It had a long neck, a hand-painted blue flower, and an almost invisible crack near the base. Adam said it was worth more for its history than its price. Lily, at seven years old, knew exactly what that meant: her mother had chosen it when she still lived with them.

That afternoon, Lily sat by the mansion’s staircase, a small doll clutched in her arms. Since Adam had married Vanessa, she’d learned to stay put when Ethan played. Not because the nine-year-old was particularly noisy, but because his accidents always ended up causing her problems.

“Look how my champion runs,” Vanessa commented from the cream-colored sofa, without fully lifting her eyes from her phone.

Ethan wheeled his stroller along the backs of the furniture as if the living room were a racetrack. Lily moved her feet out of the way. The boy made a sharp turn, his elbow hitting the wooden table by the window. The vase swung once, then again. Lily opened her mouth, but didn’t get a word out before the ceramic shattered against the marble.

The noise filled the house.

Ethan looked at the fragments. Then he looked at his mother. Vanessa stood up so quickly she dropped her phone on the sofa. Her eyes traveled from the stroller to the boy’s elbow. She had seen what had happened; Lily knew from the brief stiffness in her expression. And she also saw the exact moment Vanessa decided otherwise.

“You broke this vase! When your dad gets back, you’re going to tell him exactly that!”

Vanessa approached Lily and grabbed her arm. Her voice was more dangerous for its certainty than its volume.

—I didn’t do anything! It was Ethan who broke it, not me!

Ethan crossed his arms. The smile on his face was small, almost secret. Lily looked at the boy, waiting for him to say something. He didn’t have to apologize; it was enough for him to acknowledge what had happened. He bowed his head and remained silent.

“Don’t you dare point it out,” Vanessa muttered.

Lily hugged the doll.

—Ask him. You saw him.

—What I saw was a girl incapable of accepting the consequences of her actions.

Vanessa snatched the doll from her. She dropped it on the carpet as she approached the front door. Lily tried to get it back, but the woman kept walking, and she had to walk alongside her to keep her balance.

Outside, a cool October breeze was blowing. The trees in the Connecticut garden were beginning to turn golden. The porch stone was cool even through the white dress with light blue flowers.

Before Adam returned, Lily had tried to negotiate with Vanessa over something tiny: picking up her doll. She could see it from the porch through the open door, lying face up on the rug, one shoe askew. The doll was named Nora because Claire had once said that short names fit better in hugs. Vanessa had told her that children who lied didn’t get privileges. Lily didn’t understand what kind of privilege it was to pick up something that was hers.

The afternoon sun cast a yellow streak across the step. Lily had knelt on a sheltered part of the porch, but her knees weren’t what hurt the most. What hurt was that Vanessa had chosen a false version of reality in front of her and that Ethan looked at her with satisfaction. At school, the teacher asked everyone to recount what had happened before drawing conclusions. At home, her stepmother didn’t even want to hear her finish a sentence.

“I can explain without shouting,” Lily had offered.

“I already explained what happened,” Vanessa replied. “Your dad doesn’t have time for this nonsense.”

Lily looked at the driveway. Adam’s car still hadn’t arrived. She’d decided that when he did, she wouldn’t cry; she’d tell him the facts as clearly as she explained the steps to a math problem. Ethan ran around the sofa. His stroller hit the table. The vase fell. She stood by the stairs. Four things. Impossible to argue about. Yet when she thought of Adam’s face, she was afraid Vanessa would speak first.

From inside, Ethan approached his mother and whispered something to her. Vanessa responded with a stroke of her hair. Lily saw this gesture and remembered that Claire also stroked her hair when she made a mistake, but then asked what she could do to make amends. Vanessa had changed the question into an accusation. To Lily, it seemed like a small yet enormous difference.