(4x20)

Castle saw her in the break room. He needed to get to her before it was too late, if it wasn't already. He rushed in and shut the door behind him.

Kate turned around from the coffee maker. "Castle, what are you doing?"

In a rush, he placed his hands on her cheeks, pulling her closer and closer until their lips met. He rubbed his thumb over her cheek, and wrapped the other around her waist.

The door opened then. "What going on here?"

They broke apart to see who it was, and Castle answered. "Go home, Collin." He pulled her close, and she snuggled into his side.

'What?"

"You heard me."

Collin pointed. "I'm here to pick her up so we can go get a drink."

"You won't be getting a drink with her."

"And why's that?" Collin crossed his arms in front of him.

"Because she's mine."

Beckett's heart pounded and her stomach fluttered as his words replayed in her mind. "She's mine."