"promise me for a dessert"

Oliver is just out of prison and back into Felicity's life; planning to have a normal life with his wife and son William, who are happy to have him back as well as scared to loose him again.
Things take a scarring turn in felicity's life, when she finds out that, she is having a little heart beating inside her, thinking how and what she is going to tell Oliver, who is just out from hell and trying to fix things and with people out who are still targeting Oliver and his family.