Jack and Doug's friendship begins to grow, while his marriage continues to fall apart. Matters aren't helped when he and his daughter, Maggie, spot Kay and Kevin sharing an illicit kiss in a hotel car park. Jack decides to take a leap in the dark and join in with the latest swingers party, pairing Kay off with a fellow party-goer. Kevin's leaving party at the firm is interrupted by an angry Maggie, who confronts him over his affair with her mother. Don turns up on Jack's doorstep after being thrown out by his wife.