Just when Tamsin thinks her career is over, an unexpected source, Sam helps her and Tamsin makes a promise that she might not be able to keep.Callum finds out that his new boyfriend, Charlie is engaged but Charlie doesn't think that it should affect their relationship.Magnus reveals that he has feelings for Lydia. Will their relationship be changed forever?Ned does Lizzie a big favour by pretending to be her boyfriend to impress her sister. The thing is, Ned enjoys the act.Nic is finding it hard to cope with the pressures of his new job in the airline business. Will his new career be over before it began?