Reeling after her mother's announcement that she wants to buy the house for her, Lauren begins to question Kathy's motivations through the years. Has everything been driven by her guilt over giving Lauren's daughter up for adoption? After rejecting the offer, a supportive Matt stands by his wife. But Lou believes Lauren and Matt should think of their children and the bigger picture.

Fearing there's an intruder at Number 24, Kate gets the shock of her life when it's Sienna, Brennan's ex-girlfriend, who emerges from the bedroom. Kate immediately assumes that Brennan must've invited Sienna here – and that they're getting back together. She voices her displeasure to Sheila, who calls Kate on her attitude…