Castle and Beckett are in the kitchen she goes to walk off when he grabs her hand.
She turns around he kisses him they take a breath.
"Give me your hand"
She reaches out her hand he places a ring box on her hand she smiles.
"Happy Birthday"
"I thought you forgot"
She opens up the ring and gasp.
"Oh Castle it's so beautiful"
"Kate I need to talk to you"
She has a worried look on her face.
"Kate Beckett"
"Castle are you"
"Will you become Kate Castle"
She stand there in shock
"I'm sorry it's too soon"
"Noo it's not too soon"
"So that's a yes"
"Yes of course"
They kisses again.