Following his ruin in the latest banking crisis, a self-made millionaire reluctantly re-unites with his estranged freewheeling brother to re-open the abandoned fish and chip shop they shared in their youth.
As Cassie and Matthew come to the end of a divorce, a letter from their past selves surfaces suggesting guidance in the "event of separation". They agree to do the first thing on the list, only to find themselves drawn back together.
