When Kat learns that Roxy is not going to meet Ronnie at her release from prison, she goes instead. Ronnie is unwilling to talk to Kat at first, but soon the pair discover that various tragedies in their past mean that they have plenty in common. Kat offers Ronnie a bed for the night, and then gradually persuades Alfie to accept Ronnie's presence back in Walford. This and Michael's death bring Kat and Alfie closer together. The night before his wedding, Alfie visits Kat and it leads to them kissing passionately, but she stops it. Distraught that she cannot be with Alfie, Kat decides to leave Walford, but Bianca takes her to the wedding and Kat walks in to see Alfie say "I do" to Roxy. She leaves the church and heads for the airport, but after she has boarded the plane, Alfie embarks and declares his love for her. He is forced off by security and Kat follows, reuniting with a kiss.