Ever since tragedy struck her family, Petula has learned to see danger everywhere - whether it's crossing the road or eating a poached egg. Petula's determined not to let her guard down, even if this means allowing herself to be ruled by anxiety and grief, and losing her best friend. Then Jacob walks into her therapy group. Strikingly tall and confident, he's survived a different kind of disaster and still come out smiling. At first Petula is repelled by his optimism, yet even she can't deny their chemistry together. But optimism is blind - and so is love. What will happen if Petula gives in to both?