S2, E4: After the devastating events at Megan’s wedding; Christine takes charge and brings the Rees family together to make a momentous pact that sets them on a risky path. Dedicated as ever to caring for others; Christine pays another visit to her terminally ill mother (Marsha Miller); and helps her client; Kayla; through a c-section. Determined to find answers; Beth follows her husband to a secret meetup. Her investigation into the Rees’ father; Harry; finally proves fruitful; which leads to Megan and Jamie finally getting some answers about Connor. The walls are already starting to close in on the family; as Gethin and Sam start to get suspicious of their partners. How long can the pact last?