A fascinating concept - a firm determined to succeed at a flower fair work to create the ideal blossom. When two of their team - Emily Beecham and an almost robotic Ben Whishaw develop a flower that exudes a pollen that creates happiness; they are certain they are onto a winner. She even smuggles one home as a gift for her young son, and they christen it "Little Joe". À la "Jurassic Park" the plants are sterile so they cannot reproduce - well, that's the theory anyway but as Jeff Goldblum would have said "nature finds a way". Problem here is that the way chosen by the plants to perpetuate thei...