Ronnie and Jack discuss the possibility of a baby but he refuses, telling her she needs to grieve for her dead daughter, Danielle Jones (Lauren Crace).
Jack asks Ronnie to marry him but catches her piercing condoms.
After telling Jack that Ronnie has left Walford, Roxy tries seducing Jack but he pushes her away.Jack blackmails Phil with this, demanding the car lot for his silence, which he then rents to Pat Evans (Pam St. Despite the Mitchells' animosity, Jack develops an attraction to Ronnie, and a relationship starts.The other Mitchells, particularly Roxy, try to end the relationship.Penny's spinal cord was severed, putting her in a wheelchair, and in the aftermath, Jack and Selina divorced and Jack retired from the police force.Jack comes to Walford for his nephew Bradley Branning's (Charlie Clements) wedding to Stacey Slater (Lacey Turner).
Jack's ex-wife, Selina, reappears briefly and they have sex, which Roxy discovers and tells Ronnie, who is due to live with Jack. They reconcile but Ronnie does not trust Jack and struggles to bond with his daughter, Penny. They agree to conceal this, but Roxy is pregnant and later gives birth to Jack's daughter Amy Mitchell (Amelie Conway).