While Beth gets immersed in planning for Sylvie's birthday party, Natasha and Sylvie go to the tennis club to check their husbands' alibis for the night Annabelle disappeared, enlisting Jade to help them sneak into the security room to access the CCTV. Natasha decides to take Luca up on his offer to hide a bag in return for payment, and discovers that the bag is brimming with casino chips.